Crash-aerien 26 OCT 2019 d'un de Havilland Canada DHC-3T/M601 Turbine Otter C-GBTU - Family Lake, Little Grand Rapids First Nation, MB
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Statuts:Accident investigation report completed and information captured
Date:samedi 26 octobre 2019
Heure:07:37
Type/Sous-type:Silhouette image of generic DH3T model; specific model in this crash may look slightly different
de Havilland Canada DHC-3T/M601 Turbine Otter
Compagnie:Blue Water Aviation Services
Immatriculation: C-GBTU
Numéro de série: 209
Année de Fabrication: 1957
Heures de vol:16474
Moteurs: 1 General Electric H75-200
Equipage:victimes: 1 / à bord: 1
Passagers:victimes: 2 / à bord: 2
Total:victimes: 3 / à bord: 3
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Family Lake, Little Grand Rapids First Nation, MB (   Canada)
Phase de vol: En approche (APR)
Nature:Charter National
Aéroport de départ:Bissett Water Aerodrome, MB, Canada
Aéroport de destination:?
Détails:
A float-equipped DHC-3T Turbine Otter operated by Blue Water Aviation Services, was conducting a flight from Bissett (CJY6), MB to Family Lake near Little Grand Rapids, MB with 1 pilot and 2 passengers and approximately 800 pounds of freight on board.
The purpose of the flight was to transport 2 contractors, their tools, and some roofing materials. It was the first of a series of flights planned for that day.
As the aircraft was turning final for the water at Family Lake the right wing became detached from the fuselage. The aircraft entered an uncontrolled descent and collided with the water surface. The pilot and 2 passengers sustained fatal injuries.

Probable Cause:

Findings as to causes and contributing factors
1. A fatigue fracture originated in the bolt hole bore of the right-hand wing lift strut’s upper outboard lug plate, and eventually led to an overstress fracture of the right-hand wing lift strut’s upper outboard and inboard lug plates during the left turn prior to the final approach.
2. The failure of the outboard and inboard lug plates led to the separation of the right-hand wing lift strut from the wing and, subsequently, the separation of the right wing from the aircraft.

Accident investigation:

cover
Investigating agency: TSB Canada
Status: Investigation completed
Duration: 1 year and 2 months
Accident number: A19C0138
Download report: Final report

Sources:
» winnipeg.ctvnews.ca
» www.cbc.ca
» dhc-3archive.com


Opérations de secours

TC issued 1 Airworthiness Directive

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Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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