Accident Robinson R44 Raven II C-FBGT, Friday 1 January 2021
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Date:Friday 1 January 2021
Time:19:54 LT
Type:Silhouette image of generic R44 model; specific model in this crash may look slightly different    
Robinson R44 Raven II
Owner/operator:Bar 71 Land and Livestock Ltd
Registration: C-FBGT
MSN: 13801
Year of manufacture:2015
Fatalities:Fatalities: 4 / Occupants: 4
Other fatalities:0
Aircraft damage: Destroyed
Location:Birch Hills County, 10 nm SW of Eaglesham, AB -   Canada
Phase: En route
Departure airport:
Destination airport:DeBolt, Alberta
Investigating agency: TSB
Confidence Rating: Accident investigation report completed and information captured
At 19:41 local time the Robinson R44 Raven II helicopter departed a farm 6 nautical miles south of Eaglesham/Delta Tango Field Aerodrome, Alberta, on a night visual flight rules flight to DeBolt, Alberta, approximately 30 nautical miles to the south-southwest. The pilot and 3 passengers were on board. At approximately 19:54 the helicopter collided with terrain 10 nautical miles southwest of Eaglesham, Alberta (25.5 nautical miles northeast of DeBolt). The 4 occupants were fatally injured. The helicopter was destroyed and there was a post-impact fire. An emergency locator transmitter signal was received by the search and rescue satellite system.

Findings as to causes and contributing factors
- The pilot departed into weather that was forecast to be below the limits required for a night visual flight rules flight and, as a result, there were limited external visual cues available to the pilot during the flight.
- The decision to depart for the occurrence flight was likely a result of the pilot’s mental model that weather conditions were suitable based on his assessment of the weather products he accessed.
- The success of the short repositioning flight over the nearby Eaglesham/Delta Tango Field Aerodrome likely reinforced the pilot’s mental model regarding the suitability of the weather and influenced his decision to depart on the occurrence flight.
- As a result of the limited external visual cues, the pilot became spatially disoriented while en route and lost control of the helicopter, and the helicopter collided with the ground.

Accident investigation:
Investigating agency: TSB
Report number: A21W0001
Status: Investigation completed
Duration: 1 year and 4 months
Download report: Final report


Revision history:

02-Jan-2021 19:31 harro Added
02-Jan-2021 19:32 harro Updated [Location]
02-Jan-2021 21:05 Aerossurance Updated [Time, Aircraft type, Source, Narrative]
02-Jan-2021 21:12 Geno Updated [Time, Aircraft type, Location, Source, Narrative]
02-Jan-2021 21:18 Aerossurance Updated [Aircraft type, Source, Narrative]
06-Jan-2021 01:47 Geno Updated [Aircraft type, Registration, Cn, Operator, Nature, Source, Narrative]
11-Jan-2021 16:33 Aerossurance Updated [Time, Location, Source, Narrative]
11-Jan-2021 18:11 harro Updated [Time, Source, Narrative, Category]
11-May-2022 16:36 harro Updated [Time, Phase, Destination airport, Narrative, Accident report]

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