Accident Aérospatiale SE-313B Alouette II TU-HAI,
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ASN Wikibase Occurrence # 205549
 
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Date:Friday 2 February 2018
Time:08:50 LT
Type:Silhouette image of generic ALO2 model; specific model in this crash may look slightly different    
Aérospatiale SE-313B Alouette II
Owner/operator:Ivoire Hélicoptère
Registration: TU-HAI
MSN: 1489
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Destroyed
Category:Accident
Location:Motobé -   Cote d'Ivoire
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Agricultural
Departure airport:
Destination airport:
Investigating agency: BEA Côte d’Ivoire
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The helicopter crashed while spraying pesticides in a banana plantation. The pilot was injured.

Probable Cause of Accident
The accident of the TUHAI helicopter resulted from the loss of yaw control of the helicopter by the pilot as a result of main rotor blade interference with the tail boom while operating at low altitude. This interference, probably the cause of the thud heard by the pilot, would be the result of the rear rotor stand first touching the ground or a strong nose-up action by the pilot or a combination of both, that is, a strong nose-up action that caused the stand to touch the ground. The high level of aerial work activity observed by the pilot during the last 48 hours before the accident may have resulted in fatigue and may have been a contributing factor in the assessment of the actual situation.

Accident investigation:
cover
  
Investigating agency: BEA Côte d’Ivoire
Report number: 
Status: Investigation completed
Duration:
Download report: Final report

Sources:

https://www.connectionivoirienne.net/132511/nouveau-crash-dhelicoptere
http://www.rotorspot.nl/historic/tu.php
https://www.connectionivoirienne.net/132511/nouveau-crash-dhelicoptere
https://bea.ci/wp-content/uploads/2020/06/Rapport-final-enquete-ACCID-AL-II-TU-HAI-mai2020.pdf

Location

Revision history:

Date/timeContributorUpdates
03-Feb-2018 07:24 gerard57 Added
03-Feb-2018 07:26 harro Updated [Aircraft type, Cn, Source]
03-Feb-2018 09:19 Aerossurance Updated [Time, Operator]
03-Feb-2018 09:23 Anon. Updated [Operator, Source]
03-Feb-2018 09:23 harro Updated [Operator]
03-Feb-2018 12:04 Aerossurance Updated [Time]
05-Feb-2018 15:24 Jerome Updated [Operator]
05-Feb-2018 20:46 Alexandra rotaru Updated [Operator]
07-Feb-2018 16:01 Anon. Updated [Operator]
08-Jul-2020 08:28 KagurazakaHanayo Updated [Source]
08-Jul-2020 08:30 harro Updated [Operator, Narrative, Accident report, ]

Corrections or additions? ... Edit this accident description

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