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Accident description
Last updated: 23 July 2018
Status:Preliminary - official
Date:Wednesday 15 November 2017
Time:13:11
Type:Silhouette image of generic L410 model; specific model in this crash may look slightly different
Let L-410UVP-E20
Operator:Khabarovsk Avia
Registration: RA-67047
C/n / msn: 3010
First flight: 2015
Total airframe hrs:1693
Cycles:1071
Engines: 2 General Electric H80-200
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 4 / Occupants: 5
Total:Fatalities: 6 / Occupants: 7
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:1,2 km (0.8 mls) SSW of Nelkan Airport (   Russia)
Phase: Approach (APR)
Nature:Domestic Scheduled Passenger
Departure airport:Chumikan Airport (UHHY), Russia
Destination airport:Nelkan Airport (UHNX), Russia
Flightnumber: 463
Narrative:
A Let L-410 aircraft operated by Khabarovsk Avia impacted a forest with little or no forward speed, 1200 m short of runway 04 at Nelkan Airport, Russia. Two crew members and four passengers suffered fatal injuries. A young girl was the only survivor.
There was no fire.
The aircraft operated on a domestic flight from Khabarovsk to Nikolayevsk-na-Amure and Nelkan. However, due to runway works at Nikolayevsk-na-Amure, it was decided to stop at Chumikan instead.

The Interstate Aviation Committee reported that, based on the results of their preliminary analysis, it was established that during the approach to Nelkan, at an altitude of 150 meters, an abnormal situation arose on board the aircraft, connected with the operation of the right hand (no.2) engine. The aircraft lost speed and vigorously banked to the right, rolling over 180 degrees. The flight crew was not able to regain control of the aircraft before it impacted terrain.
The left engine was operating normally. The engines did not turn off in flight.

On 15 December 2017 EASA issued a Safety Information Bulletin, stating that preliminary investigation identified an un-commanded activation of the beta mode signalization of a propeller during the final approach. As a preliminary preventive measure, Let issued Revision 1 of Service Bulletin L410UVP-E/492b, providing instructions to check the components of engine and propeller control system, including the beta switch.

Accident investigation:
Investigating agency: MAK
Status: Investigation ongoing

Classification:
Loss of control

Sources:
» Emercom
» EASA SIB 2017-21
» MAK Interim Report

METAR Weather report:
02:30 UTC / 12:30 local time:
METAR UHNX 150230Z 03004MPS 9999 -SN SCT030 OVC070 M25 /// Q1014 NOSIG RMK QFE733 / 0978

03:00 UTC / 13:00 local time:
METAR UHNX 150300Z 02004MPS 9999 SCT030 OVC070 M25 /// Q1014 NOSIG RMK QFE733 / 0977

04:00 UTC / 14:00 local time:
METAR UHNX 150400Z 03004MPS 9999 SCT030 OVC070 M25 /// Q1014 NOSIG RMK QFE733 / 0977


Photos

photo of Let L-410UVP-E20 RA-67047
photo of Let L-410UVP-E20 RA-67047
photo of Let L-410UVP-E20 RA-67047
photo of Let L-410UVP-E20 RA-67047
L3 FA2100 Cockpit Voice Recorder (CVR)
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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Chumikan Airport to Nelkan Airport as the crow flies is 330 km (206 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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