Accident de Havilland Canada DHC-8-402Q Dash 8 SP-EQG,
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ASN Wikibase Occurrence # 204145
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Date:Wednesday 10 January 2018
Time:19:19 LT
Type:Silhouette image of generic DH8D model; specific model in this crash may look slightly different    
de Havilland Canada DHC-8-402Q Dash 8
Owner/operator:LOT Polish Airlines
Registration: SP-EQG
MSN: 4423
Fatalities:Fatalities: 0 / Occupants: 63
Aircraft damage: Substantial
Location:Warszawa-Frédéric Chopin Airport (WAW/EPWA) -   Poland
Phase: Landing
Nature:Passenger - Scheduled
Departure airport:Kraków-J. Paul II Balice International Airport (KRK/EPKK)
Destination airport:Warszawa-Frédéric Chopin Airport (WAW/EPWA)
Investigating agency: SCAAI
Confidence Rating: Accident investigation report completed and information captured
LOT flight LO3924, a DHC-8-402Q, was involved in a nose gear retraction accident at Warszawa-Frédéric Chopin Airport (EPWA), Poland.

During climb after takeoff from Kraków Airport, the nose landing gear (NLG) did not retract after moving the landing gear control lever to the UP position. Amber light N DOOR (nose door open), red light NOSE (nose gear not uplocked or downlocked) and red light on the landing gear control lever (gear in transit) illuminated. The CPT decided to continue the flight to the destination (EPWA).
During the landing approach to EPWA, the crew extended the landing gear with the alternate system. The main landing gear (MLG) was extended and locked, but the NLG did not change its position.
The crew made an emergency landing on EPWA RWY11 with NLG in the transit position, which was folded during the landing roll.
When the plane came to rest on runway 11, the passengers were evacuated. All passengers and crew left the plane uninjured. The plane was damaged to an extent that required repair.

Cause of the accident
The immediate cause of the accident was excessive free play in the retraction/extension system of the nose landing gear.
Contributing factors
1. Lack of procedures to measure and monitor the free play in the nose landing gear retraction/extension system during the Time Between Overhaul (30 000 Cycles or 14 years).
2. Lack of analysis of three-point landings which resulted in overload of NLG.
3. Lack of dedicated technological cards to verify possible damage caused by unusual events, such as hitting the drawbar connected to the airplane by a tug.

Weather reported about the incident time (1816Z):
EPWA 101830Z 10010KT CAVOK 00/M03 Q1016 NOSIG
EPWA 101800Z 11009KT CAVOK 00/M03 Q1016 NOSIG

Accident investigation:
Investigating agency: SCAAI
Report number: 
Status: Investigation completed
Duration: 4 years 1 month
Download report: Final report


History of this aircraft

Other occurrences involving this aircraft
25 July 2015 SP-EQG LOT Polish Airlines 0 Dunakeszi non
Near miss
19 September 2019 SP-EQG LOT 0 Poznan Lawica (EPPO) min
Engine fire


Revision history:

10-Jan-2018 19:00 harro Added
10-Jan-2018 19:03 harro Updated [Embed code, Narrative]
10-Jan-2018 19:24 harro Updated [Narrative]
10-Jan-2018 20:19 harro Updated [Total occupants, Source, Narrative]
02-May-2023 19:20 harro Updated [[Total occupants, Source, Narrative]]

Corrections or additions? ... Edit this accident description

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