Accident Bell 429 5N-MDA, Saturday 3 August 2019
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Date:Saturday 3 August 2019
Time:
Type:Silhouette image of generic B429 model; specific model in this crash may look slightly different    
Bell 429
Owner/operator:Nigeria Police Airwing
Registration: 5N-MDA
MSN: 57084
Year of manufacture:2012
Total airframe hrs:587 hours
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Abuja -   Nigeria
Phase: Taxi
Nature:Ferry/positioning
Departure airport:Iyamho
Destination airport:Abuja-Nnamdi Azikiwe International Airport (ABV/DNAA)
Investigating agency: AIB Nigeria
Confidence Rating: Accident investigation report completed and information captured
Narrative:
A Bell 429 helicopter operated by the Nigeria Police Airwing (NPAW) was scheduled to drop off a VIP at Iyamho in Edo state and return to Nnamdi Azikiwe International Airport, Abuja (DNAA).
According to the flight crew, the flight arrived Iyamho, the passengers disembarked and the flight crew carried out a quick turn around without shutting down the engines.
At 17:15 h, 5N-MDA departed Iyamho on the return flight to DNAA.
The flight crew stated that, while powering down, they heard a very loud sound and the helicopter started vibrating which developed into ground resonance within seconds. The co-pilot activated the emergency engine cut-off valves and applied the rotor brakes.
The 5N-MDA drifted to the left towards a parked Bell 412 helicopter (5N-LEH) as the rotors were slowing down. Particles were seen flying in front of the helicopter (5N-MDA). 5N-MDA came to a stop three feet from touchdown point, towards 5N-LEH.
The crew disembarked the helicopter unaided and uninjured.


Causal factor
The lack of communication to update the crew on the current serviceability status of the ground handling wheel prior to arrival at DNAA.

Contributory factor
The decision to hover-taxi to reposition the helicopter to the ramp without guidance.

Accident investigation:
cover
  
Investigating agency: AIB Nigeria
Report number: NPF/2019/08/03/F
Status: Investigation completed
Duration:
Download report: Final report

Sources:

AIB Nigeria

History of this aircraft

Other occurrences involving this aircraft

26 January 2022 5N-MDA Nigerian Police Air Wing 0 Bauchi Airport (DNBA) sub
Law Enforcement

Revision history:

Date/timeContributorUpdates
31-May-2024 12:38 ASN Added
31-May-2024 12:39 ASN Updated [Total occupants]

Corrections or additions? ... Edit this accident description

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