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Предварительный отчет 9.09.2014

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Preliminary report Crash involving Malaysia Airlines Boeing 777-200 flight MH17
https://www.onderzoeksraad.nl/en/page/6 … mh17-crash
https://www.onderzoeksraad.nl/nl/media/ … ctief2.pdf
https://web.archive.org/web/20140909083 … actief.pdf

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Preliminary report
Crash involving
Malaysia Airlines
Boeing 777-200
flight MH17
Hrabove, Ukraine - 17 July 2014

The Hague, September 2014
The reports issued by the Dutch Safety Board are open to the public.
All reports are available on the Safety Board’s website safetyboard.nl

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PRELIMINARY REPORT

The International Civil Aviation Organization (ICAO), is a specialized agency of the United Nations, created in 1944 upon the signing of the Convention on International Civil Aviation. ICAO works with 191 Member States to develop international Standards and Recommended Practices (SARPs) for safe, effcient and secure flight operation worldwide. These Standards and Recommended Practices are reflected in Annexes. In Annex 13 - Aircraft Accident and Incident Investigation - to the Convention of International Civil Aviation, Standards and Recommended practices are described for the conducting of civil aviation accident investigation. In accordance with paragraph 3.1 of ICAO Annex 13, the sole objective of this investigation is the prevention of similar accidents and incidents. It is not the purpose of this activity to apportion blame or liability in respect of any party. The State of Occurrence shall institute an investigation into the circumstances of the accident and be responsible for the conduct of the investigation, but it may delegate the whole or any part of the conducting of such investigation to another State by mutual arrangement and consent (paragraph 5.1). In the case of this occurrence, Ukraine requested the Netherlands to conduct the delegated investigation. This was formally agreed upon, in writing, on 23 July 2014. The investigation is conducted by the Dutch Safety Board. According to paragraph 7.1 of the Annex, a preliminary report shall be submitted to appropriate States and to ICAO within 30 days after the occurrence. For the purpose of drafting the preliminary report of what is a complex investigation, the date of publication of the preliminary report was extended by approximately three weeks. When the aircraft involved in an accident is of a maximum mass of over 2250 kg, the State conducting the investigation shall send the Preliminary Report to:
• the State of Registry or the State of Occurrence, as appropriate;
• the State of the Operator;
• the State of Design;
• the State of Manufacture;
• any State that provided relevant information, signifcant facilities or experts;
• the International Civil Aviation Organization.
This preliminary report contains the initial information of the investigation into the occurrence involving a B777-200 registered as 9M-MRD performing flight MH17 from Amsterdam Airport Schiphol to Kuala Lumpur International Airport on 17 July 2014. This information is published to inform the aviation industry and the public of the general

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circumstances of this occurrence and the investigation progress to date. The information
must necessarily be regarded as tentative and subject to alteration or correction if
additional evidence becomes available.
The draft preliminary report has been sent to the Accredited Representatives of the
States that participate in the investigation, Malaysia, Ukraine, the Russian Federation, the
United Kingdom, the United States of America and Australia for review. All Accredited
Representatives have sent a reaction. The Dutch Safety Board assessed the provided
suggestions and amended the report where appropriate.
This preliminary report is published under what are complex circumstances to conduct
the investigation. It is possible that the scope may change as the investigation progresses.
Further work will at least include the following areas of interest to substantiate the factual
information regarding:
• analyses of data, including CVR, FDR and other sources, recorded onboard the
aircraft;
• analyses of recorded ATC surveillance data and radio communication;
• analyses of the meteorological circumstances;
• forensic examination of wreckage, if recovered and possible foreign objects, if found;
• result of the pathological investigation;
• analyses of the in-flight break up sequence;
• assessment of the operator’s and State of Occurrence’s management of flight safety
over a region of conflict or high security risk;
• any other areas that are identifed during the investigation.
All times in this report are given in UTC.*
Ukraine local time (Eastern European Daylight Saving Time) was 3 hours ahead of UTC
(UTC+3).
-----------------------------
* Coordinated Universal Time (UTC) is the basis for world time standard

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CONTENT

Preliminary report...............................................................................3
1. Introduction ...................................................................................7
1.1 General information ......................................................................7
1.2 The investigation ..........................................................................7
2. Findings........................................................................................11
2.1 History of the flight.......................................................................11
2.2 Injuries to persons .......................................................................12
2.3 Damage to the aircraft ..................................................................13
2.4 Air Traffc Management.................................................................. 13
2.4.1 General information ...................................................................13
2.4.2 Standard flight levels................................................................. 13
2.4.3 Airspace restrictions ..................................................................13
2.5 Air Traffc Control ......................................................................... 14
2.5.1 ATC surveillance data .................................................................14
2.5.2 ATC communication ...................................................................14
2.5.3 Other traffc .............................................................................. 14
2.5.4 ATC transcript ...........................................................................14
2.6 Personnel information ...................................................................16
2.7 Aircraft information ......................................................................16
2.8 Meteorological information.............................................................17
2.9 Flight recorders .......................................................................... 18
2.9.1 Recovery ..................................................................................18
2.9.2 Cockpit voice recorder ................................................................19
2.9.3 Flight data recorder.................................................................... 20
2.10 Wreckage and impact information................................................. 21
2.10.1 Wreckage distribution .............................................................. 21
2.10.2 Cockpit and forward area damage ............................................. 22
2.10.3 The main wreckage site (main site).............................................25
2.10.4 Aft part of the fuselage ............................................................ 26
3. Summary of Findings ......................................................................29
4. Safety actions ................................................................................31
5. Further investigations.......................................................................32
Appendix A. Preliminary FDR data..........................................................33

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Dutch Safety Board
Chairman: T.H.J. Joustra
E.R. Muller
M.B.A. van Asselt
B.J.A.M. Welten (Extraordinary Board Member)
General Secretary: M. Visser
Visiting address: Anna van Saksenlaan 50
2593 HT The Hague
The Netherlands
Postal address: PO Box 95404
2509 CK The Hague
The Netherlands
Telephone: +31 (0)70 333 7000 Fax: +31 (0)70 333 7077
Website: safetyboard.nl



NB: This report is published in the Dutch and English languages. If there is a difference in
interpretation between the Dutch and English versions, the English text will prevail.

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1 INTRODUCTION

1.1 General information

https://a.radikal.ru/a29/1907/7d/d9e0cda07d68.png
Figure 1: Archive photo of aircraft involved. (source: Mir Zafriz, Planespotters.net)

Occurrence number: LV2014080
Aircraft type and registration: Boeing 777-2H6ER, 9M-MRD
No & Type of Engines: 2 x Rolls-Royce Trent 892B
Location: Near Hrabove, Ukraine
Date and time (UTC): 17 July 2014 at 13.20 hrs
Type of flight: Scheduled passenger flight
Persons on board: Crew - 15 (4 flight crew, 11 cabin crew); Passengers - 283
Injuries: Crew - 15 (fatal); Passengers - 283 (fatal)
Nature of damage: Aircraft destroyed
1.2 The investigation
On 18 July 2014 around 06.00 hrs the National Bureau of Air Accident Investigation of
Ukraine (NBAAI) sent a notifcation that on 17 July 2014, at 13.20 hrs, a Boeing 777-200
with registration 9M-MRD of Malaysia Airlines disappeared to the west of TAMAK
waypoint. The NBAAI was notifed by the Ukrainian State Air Traffc Service Enterprise
(UkSATSE) that communication with the flight crew had been lost. A signal from the
aircraft’s Emergency Locator Transmitter (ELT) had been received and its approximate
position had been determined.
According to paragraph 4.1 of ICAO Annex 13 - Aircraft Accident and Incident Investigation,
the notifcation was sent to Malaysia (State of Registry and State of the Operator), the

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United States of America (State of Design and State of Manufacture) and the International
Civil Aviation Organization (ICAO). The notifcation was also sent to the Netherlands and
Australia as states having suffered fatalities.
The NBAAI commenced an investigation on the day of the occurrence. The investigation
was delegated to the Dutch Safety Board on 23 July 2014. The investigation is ongoing
and a fnal report will be published in due course. The Dutch Safety Board was assisted
by experts from Australia (ATSB), France (BEA), Germany (BFU), Indonesia (NTSC), Italy
(ANSV), Malaysia (DCA), the Russian Federation (Federal Air Transport Agency), Interstate
Aviation Committee (IAC)*2, Ukraine (NBAAI), the United Kingdom (AAIB), the United
States of America (NTSB) and the European Aviation Safety Agency (EASA). In addition,
several other countries offered their support to the Dutch Safety Board investigation
team. At the time of their offer, no immediate support was needed, but their offer was
much appreciated. The International Civil Aviation Organization (ICAO) has advised the
Dutch Safety Board in procedural matters to ensure full compliance with the standards
and recommended practices set forth in Annex 13.
The occurrence took place over open farmland south and west of the village of Hrabove
in eastern Ukraine. At the time of the occurrence an armed civil conflict was ongoing in
Ukraine, between armed groups and Ukrainian armed forces. The aircraft parts came
down in the area that was under control of the armed groups.
Coordinated access to the wreckage site by the international team of air safety
investigators has not yet been possible. It is the intention of the Dutch Safety Board to
visit the site whenever it is possible to safely conduct further investigation of the
wreckage. However, investigators of the NBAAI made a number of short visits to the site
between 19 July 2014 and 21 July 2014, and took photographs of items of wreckage.
These photographs were made available to the investigation team. The investigator-incharge (IIC) of the Dutch Safety Board investigation also received photographs and a
report from the Malaysian investigation team, regarding the team’s onsite investigation.
That investigation was carried out on their own initiative between 22 July 2014 and
24 July 2014. The information received is used in this Dutch Safety Board investigation.
The investigation team conducted their investigation from Kiev (Ukraine) for three weeks.
After this period the team was relocated to the Dutch Safety Board offce in the
Netherlands. In accordance with ICAO Annex 13, the Dutch Safety Board investigation
team includes Accredited Representatives*3 and Technical Advisers from Malaysia (State
of Operator and State of Registry), Ukraine (State of Occurrence), the Russian Federation
(State that provided information on request), the United Kingdom (State of Design and
Manufacture of the engines) the United States of America (State of Design and
Manufacture of the aircraft) and Australia (State that provided information on request).

-------------------------

*2 The Interstate Aviation Committee (IAC) is a regional organization involved in civil aircraft accident investigation in
the states of the Commonwealth of Independent States (CIS).
*3 A person designated by a state for the purpose of participating in an investigation conducted by another state

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The investigation is making use of a wide range of information, including:
• aircraft maintenance data obtained from the operator;
• flight operational data obtained from the operator and various international service
providers:
– NOTAMs;*4
– Flight plan;
– Weather;
– Crew status;
• images available publicly and obtained from the NBAAI, Australian Federal Police
(AFP) and DCA;
• satellite imagery taken in the days after the occurrence;
• Air Traffc Control (ATC) surveillance data obtained from UkSATSE;
• ATC surveillance data obtained from the Russian Federation;
• Flight Data Recorder (FDR) and Cockpit Voice Recorder (CVR) data from the aircraft.

-------------------------------

*4 A Notice to Airmen (NOTAM) is a notice issued by an aviation authority to alert aircraft pilots of potential hazards
along a flight route or at a location that could affect the safety of the flight. NOTAMs are unclassifed notices or
advisories distributed by means of telecommunication that contain information concerning the establishment,
conditions or change in any aeronautical facility, service, procedure or hazard, the timely knowledge of which is
essential to personnel and systems concerned with flight operations.

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2 FINDINGS

2.1 History of the flight..................................................................................11
2.2 Injuries to persons ..................................................................................12
2.3 Damage to the aircraft .............................................................................13
2.4 Air Traffc Management..............................................................................13
  2.4.1 General information ............................................................................13
  2.4.2 Standard flight levels...........................................................................13
  2.4.3 Airspace restrictions ............................................................................13
2.5 Air Traffc Control .....................................................................................14
  2.5.1 ATC surveillance data ..........................................................................14
  2.5.2 ATC communication .............................................................................14
  2.5.3 Other traffc ........................................................................................14
  2.5.4 ATC transcript .....................................................................................14
2.6 Personnel information ...............................................................................16
2.7 Aircraft information ...................................................................................16
2.8 Meteorological information..........................................................................17
2.9 Flight recorders .........................................................................................18
  2.9.1 Recovery .............................................................................................18
  2.9.2 Cockpit voice recorder ........................................................................... 19
  2.9.3 Flight data recorder................................................................................ 20
2.10 Wreckage and impact information................................................................21
  2.10.1 Wreckage distribution ...........................................................................21
  2.10.2 Cockpit and forward area damage ..........................................................22
  2.10.3 The main wreckage site (main site).........................................................25
  2.10.4 Aft part of the fuselage .........................................................................26

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2 FINDINGS

2.1 History of the flight
On 17 July 2014, a Malaysia Airlines Boeing 777-2H6ER operating as flight MH17, departed
Amsterdam Airport Schiphol in the Netherlands at 10.31 hrs on a scheduled passenger
flight to Kuala Lumpur International Airport in Malaysia. Malaysia Airlines had determined
and fled the flight plan for flight MH17, which was approved by all involved air traffc
control centres for their concerned regions. According to the flight plan, flight MH17
would initially fly at Flight Level 330 (FL330)*5 above Ukraine until the waypoint PEKIT,
which is on the Flight Information Region (FIR) boundary between Kiev FIR (UKBV) and
Dnipropetrovs’k FIR (UKDV). From waypoint PEKIT the flight plan indicates FL350 for the
remaining part over Ukraine.
According to ATC data, at 12.53 hrs the aircraft was flying within the Dnipropetrovs’k FIR,
Control Sector 2, at FL330, controlled by Dnipro Control. At that time, Dnipro Control
asked whether MH17 was able to climb to FL350 in accordance with the flight plan of
MH17 and also to clear a potential separation conflict with other traffc in the area,
another Boeing 777 flying at FL330 and approaching from behind.
The crew replied they were unable to comply and requested to maintain at FL330. This
was agreed by Dnipro Control. As an alternative to solve the separation conflict, the
other traffc climbed to FL350. According to ATC data, at 13.00 hrs the crew of flight
MH17 requested to divert the track 20 NM to the left, due to weather. This also was
agreed by Dnipro Control, after which the crew requested whether FL340 was available.
Dnipro control informed MH17 that FL340 was not available at that moment and
instructed the flight to maintain FL330 for a while. At 13.07 hrs the flight was transferred
to Dnipropetrovs’k CTA 4, also with call sign Dnipro Control.
At 13.19:53 hrs, radar data showed that the aircraft was 3.6 NM north of centreline of
airway L980 having deviated left of track, when Dnipro Control directed the crew to alter
their route directly to waypoint RND due to other traffc. The crew acknowledged at
13.19:56 hrs. At 13.20:00 hrs, Dnipro Control transmitted an onward ATC clearance to
proceed direct to TIKNA after RND, no acknowledgement was received.
Data from the Flight Data Recorder and the Digital Cockpit Voice Recorder both stopped
at 13.20:03 hrs. No distress messages were received from the aircraft.

------------------------
*5 FL330 equals approximately 33,000 feet (10,058 kilometer)

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https://d.radikal.ru/d17/1907/a9/0554d052fd50.png
Figure 2: Image of the Dnipropetrovs’k FIR, CTA 2 and 4, the flown (red line) and ATC cleared (dotted red line)
              route of flight MH17. Also the aircraft type and flight level of the three commercial aircraft flying in
              the same area are shown (see 2.5.3). The image depicts the situation at 13.20 hrs (source: UkSATSE).

2.2 Injuries to persons

Flight MH17 was carrying 283 passengers and 15 crew members. There were no survivors.
The crew members were all citizens of Malaysia. The occupants of the aircraft were
citizens of the following countries:
The Netherlands               193
Malaysia                            43
Australia                            27
Republic of Indonesia          12
United Kingdom                  10
Federal Republic of Germany 4
Belgium                               4
Republic of the Philippines     3
Canada                                1
New Zealand                        1
The nationalities indicated above reflect the information provided by the airline, based
on the passports that were used for check-in. Some of the passengers had multiple
nationalities causing differences in nationality numbers published in the media.

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2.3 Damage to the aircraft

The aircraft was destroyed. Wreckage was dispersed over a large area.

2.4 Air Traffc Management

   2.4.1 General information
The functional entities involved in Air Traffc Management (ATM) in Ukraine are: the
Ministry of Infrastructure, the Ministry of Defence, the State Aviation Authority of Ukraine
(SAAU) and the Ukrainian State Air Traffc Service Enterprise (UkSATSE) which is the State
en-route Air Navigation Service Provider (ANSP). Ukraine is a member of Eurocontrol and
organises its ATM in accordance with the concept of the Flexible Use of Airspace. The
concept of flexible use includes civil-military coordination and this is facilitated in Ukraine
by having joint civil-military departments within UkSATSE.
2.4.2 Standard flight levels
For IFR air traffc the general principle of standard flight levels apply: odd thousands of
feet (flight levels 310, 330, 350) when on an magnetic track of 0º through 179º degrees
and even thousands of feet (flight levels 300, 320, 340) when on a magnetic track of 180º
through 359º. Other flight levels may be available by ATC clearance.
For flight MH17, following route L980 on an eastbound track, it was kept to the odd
standard flight levels as depicted in its flight plan for this part of its routing: FL330 and
FL350.
2.4.3 Airspace restrictions
At the time of the occurrence, flight MH17 was flying through the Dnipropetrovs’k (UKDV)
FIR in the eastern part of the Ukraine. UkSATSE had issued NOTAMs that restricted
access to the airspace below FL320 in the southern part of the FIR due to hostilities
between armed groups and Ukrainian armed forces.
NOTAM A1383/14 established a Temporary Reserved Area from the surface to FL260
within its defned area in the east of Ukraine. The NOTAM was valid from 00.00 hrs on
1 July 2014 until 23.59 hrs on 28 July 2014. The text of the NOTAM states that state
aircraft of Ukraine were authorized and that Civil Aircraft need to have permission of the
headquarters of the Ukraine armed forces to fly in the area mentioned in the NOTAM
below FL260.
NOTAM A1492/14 established a Temporary Restricted Area from FL260 to FL320 within
an area covering the eastern part of the Temporary Reserved Area established by NOTAM
A1383/14. NOTAM A1492/14 was valid from 18.00 hrs on 14 July 2014 until 23.59 hrs on
14 August 2014. The restriction did not apply for flights of Ukraine state aircraft.

At the time of the occurrence, flight MH17 was flying at FL330 in unrestricted
airspace above the restricted area mentioned by the latest NOTAM.

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2.5 Air Traffc Control

2.5.1 ATC surveillance data
For this investigation ATC surveillance data was obtained from both Ukraine (UkSATSE)
and the Russian Federation. The data obtained was the following:
• Primary surveillance radar recorded by the Russian surveillance aids
• Secondary surveillance radar (SSR / Mode S)*6
• Automatic Dependant Surveillance – Broadcast (ADS-B)*7 ground based reception.
Preliminary information shows that Ukrainian and Russian ATC surveillance radar identifed
flight MH17 as a B777-200 at FL330. Analyses of recorded ATC surveillance data is
ongoing.
2.5.2 ATC communication
At the time of the occurrence flight MH17 was under control of Dnipropetrovs’k air traffc
control centre (Dnipro Radar). Shortly after 13.20 hrs, both Ukraine and Russian Federation
Radar lost contact with the aircraft. The last radio transmission made by the crew began
at 13.19:56 hrs and ended at 13.19:59 hrs. Dnipropetrovs’k air traffc control centre made
a radio transmission to flight MH17 which began at 13.20:00 hrs and ended at 13.20:05 hrs.
The crew did not respond to this transmission or subsequent transmissions. No distress
message was received from the aircraft at any point in time by ATC.
2.5.3 Other traffc
According to information received from the NBAAI, recorded ATC surveillance information
revealed that three other commercial airliners overflew the same restricted airspace as
flight MH17 around the time of the occurrence. Two of those aircraft were cruising
eastbound and one was cruising westbound. All were under control of Dnipro Radar. At
13.20 hrs the distance between MH17 and the closest of the three aircraft was
approximately 30 kilometres. Analyses is ongoing.
2.5.4 ATC transcript
UkSATSE provided the recording and a transcript of the radio (RAD) and telephone
communications regarding flight MH17. At 13.08 hrs flight MH17 reported to Dnipro
Radar (DNP), sector 4, flying at FL330. After checking over the telephone (TEL, translated
from Russian) with Rostov Control (RST, Russia), at 13.19:49 hrs flight MH17 was cleared to
proceed via waypoint RND, this was confrmed by the crew. At 13.20:00 hrs Dnipro
cleared flight MH17 to fly direct to waypoint TIKNA after passing RND, this clearance was
not read back. From that time until 13.35:50 hrs, DNP called MH17 several times, but no
answer was received. The crew of another aircraft that was flying in the neighborhood,
was asked if they had MH17 in sight or if the aircraft was visible on the aircraft instruments.
The crew of this aircraft answered that they did not see the aircraft and that the aircraft
instruments did not show flight MH17.

-----------------------

*6 SSR determines information about the aircraft’s identifcation, position, altitude based on the return of a signal
sent from the ground station to which the aircraft replies.
*7 ADS-B is an aircraft based technology whereby information from the aircraft is broadcasted to ground stations.

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Time          From  To  Means                 Text

13:08:00       MH17 DNP RAD   Dnipro Radar, MALASIAN one seven, flight level 330
                     DNP MH17 RAD   MALASIAN one seven, Dnipro Radar, good day, radar contact
                    MH17 DNP RAD    MALASIAN one seven
13:19:21         DNP RST TEL     Yes
                      RST DNP TEL      So. Dniepr, Rostov one. Can you give a course (direction) for
                                               Malaysian to Rostov to the RND point, we have three of those
                                               there
                       DNP RST TEL     To the Malaysian that is seventeen?
                       RST DNP TEL     Yes, we will return it back then to TIKNA
                       DNP RST TEL     Great (ok)
                       RST DNP TEL    Yes, thanks
13:19:49         DNP MH17 RAD  MALASIAN one seven, due traffc proceed direct to point
                                               ROMEO NOVEMBER DELTA
13:19:56         MH17 DNP RAD  ROMEO NOVEMBER DELTA, MALASIAN one seven
13:20:00         DNP MH17 RAD   MALASIAN one seven, and after point ROMEO NOVEMBER
                                                DELTA expect direct to TIKNA
13:21:10         DNP MH17 RAD MALASIAN one seven, how do you read me? MALASIAN one
                                               seven, Dnipro Radar
13:21:36         DNP MH17 RAD  MALASIAN one seven, Dnipro Radar
13:22:02         DNP MH17 RAD  MALASIAN one seven, Dnipro Radar
13:22:05           RST DNP TEL    Listening (to) you, its Rostov
                         DNP RST TEL    Rostov, do you observe the Malaysian by… by the response?
                         RST DNP TEL    No, it seems that its target started falling apart.
                         DNP RST TEL    Well, its not responding for our calls too
                         RST DNP TEL    And not responding for the calls, yes?
                         DNP RST TEL    Yes. And we don’t see it yet. So you gave them a turn, they
                                                confrmed and…
                          RST DNP TEL   And that’s all, yes?
                          DNP RST TEL   Yes its disappeared
                          RST DNP TEL    Wait, I’ll ask
                          DNP RST TEL    Don’t you observe anything on primary?
                          RST DNP TEL   Yes, yes, yes, nothing. We see nothing
                          DNP RST TEL  Ok then, we are calling them here now

Tabel 1: Transcript of radio- and telephone communication

At the time of the occurrence, the aircraft was flying in unrestricted airspace, under
control of ATC, following the route and flying the altitude as cleared by ATC.

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2.6 Personnel information

Because of the duration of the flight the flight crew consisted of four persons, two pilots
and two relief pilots. According to the information received from Malaysia Airlines all
flight crew members were appropriately qualifed to operate a Boeing 777 in commercial
passenger operation and had valid medical certifcates. Both captains had over
10,000 flying hours of which more than 7,000 hours were on Boeing 777 aircraft. Both
frst offcers had more than 3,000 flying hours, of which a little over 200 hours were on
Boeing 777 aircraft.
The cabin crew consisted of eleven persons.

According to the information received from Malaysia Airlines the crew was properly
licensed and had valid medical certifcates to conduct the flight.

2.7 Aircraft information

The aircraft, a Boeing 777-2H6ER, was a wide-body passenger transport aircraft powered
by two Rolls-Royce Trent 892B engines. It was manufactured in the United States of
America in 1997 and had serial number 28411.
According to data received from the operator the aircraft was released to service on
16 November 2013 after an overhaul had been accomplished.*8 The last maintenance
check, a short inspection *9 was performed on 16 April 2014.
The inbound flight to Amsterdam Airport Schiphol preceded the accident flight. Technical
documents obtained from the handling agent at Schiphol revealed that during the
turnaround at Amsterdam Airport Schiphol engine oil was added to engine number 1
(left engine). In the documents it was noted that the oil consumption during the inbound
flight was within limits. No technical complaints about the aircraft or its systems were
reported. In the transit check document it was certifed that the refuelling and transit
check had been carried out for its flight to Kuala Lumpur International Airport.

According to the documents, the aircraft was in an airworthy condition at departure,
there were no known technical malfunctions.

----------------------------
*8 This maintenance was a D-check inspection. Malaysian Airlines regulations require this check to be carried out
every 8 years.
*9 This maintenance was a A-check inspection. Malaysian Airlines performs this inspection every 550 flight hours

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2.8 Meteorological information

Weather information was obtained from the Royal Netherlands Meteorological Institute
(KNMI) and the UK Met Offce.
At the time of the occurrence, an active trough with cumulonimbus cloud and thunderstorm
activity was affecting Ukraine, with the most intense activity along a line extending northwestwards from Crimea towards Western Ukraine. More isolated thunderstorms were
apparent closer to the location of the occurrence, with some lightning strikes recorded to
the southwest of Donetsk.
Analyses of ground observations show that in the vicinity of the occurrence multiple
thundershowers were reported. Just to the west-south-west of the last known position of
the aircraft, cumulonimbus (CB) clouds reaching up to FL350 were present at the time.
According to meteorological actual reports, the conditions were generally cloudy across
the area, with the observations recording a broken cloud layer at around 10,000 feet.
Visibilities across the region were good, at 10 km or more, and the lowest reported cloud
bases were some scattered layers at 3300 feet at UKDD (Dnipropetrovs’k, Ukraine) and
UKDE (Zaporizhzhia / Mokraya, Ukraine).
The winds at the surface were north or north-easterly, and tended to gradually veer with
height, eventually settling on a south-westerly direction from around 23,000 feet, after
which they increased in speed with height towards the tropopause, which was indicated
around 40,000 feet. The reported wind at FL320 was from 166 degrees at 13 kts.
In the area three different types of weather could be distinguished, which is depicted in
fgure 3.
The green area (includes the area of occurrence) contains mainly Cumulus and Towering
Cumulus clouds. The cloud coverage is between 3/8 and 6/8, the cloud base is around
3,000 to 5,000 feet. The tops of the clouds reach around FL100 (10,000 feet).
The orange area contains mainly Cumulonimbus clouds (rainclouds). The cloud coverage
is mostly 8/8. The cloud base is around 3,000 to 5,000 feet, with the tops of the clouds
reaching FL350 (35,000 feet).
The red area contains mainly Altostratus and Cirrus clouds, with cloud coverage being
mostly 8/8, and the cloud base around 10,000 to 20,000 feet. The red area contains
mostly thin layered clouds reaching 20,000 to 30,000 feet at places.

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https://d.radikal.ru/d41/1907/1b/c43a27024223.png
Figure 3: Cloud coverage for 17 July at 12.00 hrs.*10 The circled green dot indicates the last position of aircraft.
              The orange area south-west of the accident location contains mostly Cumulonimbus clouds with
              possible thundershowers. (Source: KNMI)
Analyses of the meteorological situation is ongoing

Надписи на рис.3

Зеленый
Area with Cu/CB
Cloud cover 3/8 to 6/8
Cloud base
3,000-5,000 feet
Tops around FL100,
10,000 feet
Красный
Area with As/Ci
Fully coveredcloud
cover 8/8
Cloud base
10,000-24,000 feet
Thin layered clouds
Оранжевый
Area with CB
Cloud 8/8 fully covered
Cloud base 1,000-5,000 feet
Tops around FL350,
30,000 feet

2.9 Flight recorders

2.9.1 Recovery
The flight recorders were not recovered from the wreckage site by investigators of the
Annex 13 investigation team, but individuals unknown to the team took them from the
site. On 21 July 2014, the recorders were handed over to a Malaysian offcial in Donetsk
by representatives of the armed group controlling the area. The recorders were
transported by train from Donetsk to Kharkiv in custody of a Malaysian offcial and
accompanied by Dutch offcials and then transported to Kiev also in custody of a
Malaysian offcial and accompanied by Dutch and ICAO offcials. In Kiev the recorders
were handed over to the Dutch Safety Board on 22 July 2014.
Immediately after the handover to the Dutch Safety Board, the recorders were transported
to the Air Accidents Investigation Branch’s laboratory at Farnborough, United Kingdom,
accompanied by an international team of air safety investigators from Germany, Malaysia,
the Netherlands, Ukraine, the United Kingdom, the United States of America and
representatives of ICAO. At Farnborough a French investigator joined the team whereupon
the work to download the data of both recorders was started. Later on an air safety
investigator of the Interstate Aviation Committee also joined the team.

No evidence or indications of manipulation of the recorders were found.

-------------------------
*10 This image was chosen from the available satellite images. The time this image was made, was the most close to
the time of the accident.

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стр.19

2.9.2 Cockpit voice recorder
Damage
The housing of the CVR (fgure 4) had been damaged and, although the model and serial
numbers were unreadable on the data plate, the serial number 1366 - matching the one
provided by Malaysia Airlines - was found stamped on the underside of the chassis. The
external damage found on the CVR is consistent with impact damage, the internal
memory module was intact. The recording capacity of this recorder is 30 minutes.
The full 30 minutes were successfully downloaded and contained valid data from the
flight.

https://c.radikal.ru/c29/1907/ed/a872064d7e54.png
Figure 4: Cockpit voice recorder. (Source: AAIB)
Information
The replay of the CVR matched ATC communications with the aircraft (see ATC transcript).
The recording also included crew communication which gave no indication that there
was anything abnormal with the flight. The CVR audio recording ended abruptly. A replay
of the CVR did not identify any aircraft aural warnings or alerts of system malfunctions.
Detailed analysis is ongoing.

No aural warnings or alerts of aircraft system malfunctions were heard on the cockpit
voice recording, which ended at 13.20:03 hrs. Crew communication gave no indication
that there was anything abnormal with the flight.

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2.9.3 Flight data recorder
Damage
The label on the housing of the FDR (fgure 5) showed that it was Allied Signal Model
Number 980-4700-003 with Serial Number 2196. These details matched the details
provided by Malaysia Airlines. The recorder was found damaged but the internal memory
module was intact. The external damage found on the FDR was consistent with impact
damage. The FDR, which can record 25 hours of operational data, was successfully
downloaded and contained valid data from the occurrence flight.
Identifcation
Downloaded data from the flight was decoded using multiple software tools from
different manufacturers. The data is consistent with other recorded information regarding
the flight of Malaysia Airlines flight MH17. Furthermore the unique ICAO 24-bit aircraft
address issued by the State of Registry (Malaysia) matched the recorded ICAO 24-bit
aircraft address code on the FDR. The State of Registry registered the aircraft with this
code as 9M-MRD.

https://a.radikal.ru/a42/1907/a4/ed1c6ef8f63b.png

Figure 5: Flight data recorder. (Source: AAIB)
Information
The data on the Flight Data Recorder indicated that the aircraft was flying at FL330, on a
constant displayed heading of 115° and at a constant speed of 293 kts computed
airspeed (groundspeed 494 kts, equals 915 kilometres per hour).
According to the data on the FDR, both engines were running at cruise power. All
indications regarding the operation of the engines were normal.
No aircraft system warnings or cautions were detected. The data stopped abruptly at
13.20:03 hrs.
Relevant details from the FDR recordings are published in Appendix A (last 3 minutes).
Detailed analysis is ongoing

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стр. 21

All engine parameters were normal for cruise flight. No aircraft system warnings or
cautions for this flight were detected on the flight data recording until the recording
ended at 13.20:03 hrs.

2.10 Wreckage and impact information

2.10.1 Wreckage distribution
Wreckage from flight MH17 was discovered spread over a large area near the towns of
Rozsypne and Hrabove in eastern Ukraine. The main wreckage site was located 8.5 km
on a bearing of 080° from the last known position of the aircraft in flight.
On the accident site, a large amount of photographs was made, which allowed
identifcation of certain aircraft parts, including preliminary assessments of localization
and the nature of damage on the fuselage skin and the engines.
The aircraft wreckage, identifed from the on-site photographs and satellite images,
consisted of many large and small pieces distributed over an area of approximately 10 km
by 5 km (fgure 6). Fuselage pieces, cargo and baggage were scattered throughout the
wreckage site. There were many additional unidentifed pieces that are not shown in the
fgure. For easy reference the wreckage site has been divided into sections as shown in
fgure 6. These sections match with the aircraft sections shown in fgure 7.

https://d.radikal.ru/d12/1907/7e/3b2feec861df.png
Figure 6: The last location of the aircraft in flight taken from the FDR. Wreckage distribution is grouped per
              section of the aircraft (Source: Google Earth, wreckage information Dutch Safety Board)

Текст рис. 6

Forward
section
Aft section
Center
section
Main
site
Vertical tail
Cockpit
Petropavlivka
2 km
Flight path Last FDR
point
Hrabove

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https://b.radikal.ru/b34/1907/82/5917a56cbe48.jpg
Figure 7: Identifcation of wreckage found (black lines, orange parts), and where they originated from
              the aircraft.

Текст рис. 7

Center section
Tail section
Cockpit and
forward section
Copyright: Helmut Schnichels
Center section
Tail section
Cockpit and
forward section
Copyright: Pascal Maillot

Some pictures of relevant parts of which the location was known, are discussed
hereinafter.
2.10.2 Cockpit and forward area damage
Large parts from around the cockpit and forward section were found in the area closest
to the last recorded FDR position (fgure 6). Among these parts were portions of the
cockpit, the forward cargo bay floor and the cockpit side wall. The remains of the cockpit
were located at the southern end of Rozsypne, 2.3 km east from the last recorded FDR
position.
Photographs from the some wreckage showed that a number of pieces contained
multiple holes and indentations. An example of a piece of wreckage containing such
damage was a piece of skin from below the left cockpit window (fgure 8) found in the
town of Petropavlivka.

23

стр.23

https://a.radikal.ru/a25/1907/64/8e9cb7dff055.jpg
https://c.radikal.ru/c25/1907/df/20c52da284b2.jpg
Figure 8: Forward fuselage skin from below the left cockpit window containing numerous small holes
               and indentations (above); enlarged image of the right upper corner of this skin (below) showing
               puncture holes (orange arrow) and pitting (red arrow). (Source: DCA and AFP)

24

Стр.24.

Around 1.7 km north of the position where the cockpit window structure was found, was
a section of the cockpit roof also showing holes indicating penetration from outside
(fgure 9).
https://a.radikal.ru/a41/1907/fe/d31b16fc0f0d.png
Figure 9: Part of the inside cockpit roof, indicating penetration with objects from outside. (Source: DCA)

Noting that the investigation team has not yet had the opportunity to recover these
components for forensic examination, photographs from the wreckage indicated that the
material around the holes was deformed in a manner consistent with being punctured by
high-energy objects. The characteristics of the material deformation around the puncture
holes appear to indicate that the objects originated from outside the fuselage.

25

стр. 25

Puncture holes identifed in images of the cockpit floor suggested that small objects
entered from above the level of the cockpit floor (fgure 10).
https://c.radikal.ru/c39/1907/3a/75b64da4de2d.png
Figure 10: Cockpit floor with floor parts showing puncture holes (red circles) coming from above the floor.
              (Source: NBAAI)

Текст рис.10

View from above
Position of
the left seat
Front
Left
View from below

Detailed examination of the structural damage is ongoing. Forensic examination will be
performed if the wreckage can be recovered,

The pattern of damage observed in the forward fuselage and cockpit section of the
aircraft was consistent with the damage that would be expected from a large number
of high-energy objects that penetrated the aircraft from outside.

2.10.3 The main wreckage site (main site)
The main site was located at the south-western corner of the town of Hrabove, 8.5 km
from the last recorded FDR position of the aircraft. This site contained parts of the wings,
both engines, the main landing gear and a portion of the fuselage (fgure 11). Aircraft
parts distributed over the main site had been subjected to post crash fre.

26

стр. 26

https://c.radikal.ru/c43/1907/41/d8f20a51392b.png
Figure 11: Main wreckage site showing engine parts (1), wing with inspection hatches (2) and main landing
                gear (3). (Source: NBAAI)

2.10.4 Aft part of the fuselage
The vertical tail (fgure 12) was located in a feld to the south of Hrabove, approximately
8 km from the last recorded FDR position. The vertical tail was still attached to a portion
of the upper rear fuselage. The rudder and a portion of the vertical tail’s leading edge
were not attached. The remains of the rear fuselage, horizontal stabiliser centre section,
and items from the cabin were found about 100 metres north of the vertical tail.
A section of aft fuselage skin from the right side (fgure 13) was located 330 metres west
of the vertical tail, and the left wing tip and right horizontal stabilizer were also in this
location. The left horizontal stabilizer was found another 330 metres to the west.

27

стр. 27

https://d.radikal.ru/d08/1907/03/90e2a9a36352.png
Figure 12: Vertical tail. (Source: DCA)

https://a.radikal.ru/a02/1907/54/e982f6490be2.png
Figure 13: Aft fuselage skin, right side, with partial registration of the aircraft. (Source: NBAAI)

The distribution of pieces of the aircraft over a large area indicates that the aircraft broke
up in the air. The forward parts of the aircraft were found closest to the last recorded
FDR point, indicating that these parts broke off from the aircraft frst. The centre and aft
parts of the aircraft were located signifcantly further to the east. This indicates that these
parts continued in a down and forward trajectory before breaking up.

28

стр. 28

The fact that there were many pieces of aircraft structure distributed over a large
area indicated that the aircraft broke up in the air.

29

стр. 29

3 SUMMARY OF FINDINGS

Crew
According to the information received from Malaysia Airlines the crew was properly
licensed and had valid medical certifcates to conduct the flight.
Aircraft
According to the documents, the aircraft was in an airworthy condition at departure from
Amsterdam Airport Schiphol, there were no known technical malfunctions.
CVR/FDR
No evidence or indications of manipulation of the recorders were found.
No aural alerts or warnings of aircraft system malfunctions were heard on the Cockpit
Voice Recorder. The communication between the flight crew members gave no indication
of any malfunction or emergency prior to the occurrence.
The engine parameters were consistent with normal operation during the flight. No
engine or aircraft system warnings or cautions were detected.
No technical malfunctions or warnings in relation to the event flight were found on Flight
Data Recorder data.
Both recordings ended at 13.20:03.
ATC / Airspace
At the time of the occurrence, flight MH17 was flying at FL330 in unrestricted airspace of
the Dnipropetrovs’k (UKDV) FIR in the eastern part of the Ukraine, the aircraft flew on a
constant heading, speed and altitude when the Flight Data Recording ended. UkSATSE
had issued NOTAMs that restricted access to the airspace below FL320.
The last radio transmission made by the crew began at 13.19:56 hrs and ended at
13.19:59 hrs.
The last radio transmissions made by Dnipropetrovs’k air traffc control centre to flight
MH17 began at 13.20:00 hrs and ended at 13.22:02 hrs. The crew did not respond to
these transmissions.
No distress messages were received by the ATC.
According to radar data three commercial aircraft were in the same Control Area as flight
MH17 at the time of the occurrence. All were under control of Dnipro Radar. At 13.20 hrs
the distance between the closest aircraft and MH17 was approximately 30 km.

30

Стр. 30

Damage
Damage observed on the forward fuselage and cockpit section of the aircraft appears to
indicate that there were impacts from a large number of high-energy objects from
outside the aircraft.
The pattern of damage observed in the forward fuselage and cockpit section of the
aircraft was not consistent with the damage that would be expected from any known
failure mode of the aircraft, its engines or systems.
The fact that there were many pieces of aircraft structure distributed over a large area,
indicated that the aircraft broke up in the air.

Based on the preliminary fndings to date, no indications of any technical or
operational issues were found with the aircraft or crew prior to the ending of the
CVR and FDR recording at 13.20:03 hrs.
The damage observed in the forward section of the aircraft appears to indicate that
the aircraft was penetrated by a large number of high-energy objects from outside
the aircraft. It is likely that this damage resulted in a loss of structural integrity of the
aircraft, leading to an in-flight break up.


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