Accident at 5 S of Gleichen, AB

Summary

1997-10-20: While on a powerline patrol near Gleichen with 2 employees from Trans-Alta Utilities, the pilot reported hearing a loud bang followed by a loss of power. The pilot carried out an autorotation, however upon ground contact, the tail boom severed. There were no injuries, and representatives of the TSB are attending the scene. UPDATE It was reported that the tail boom was severed from the helicopter when the main rotor blades struck it during the autorotation. UPDATE Examination of the engine and systems of the Bell 206B did not reveal any mechanical discrepancies. The weather at the time of the accident was rain and snow showers, with the temperature about 0 degrees C. The intake reverse scoops had not been installed and the engine relight system had not been armed.

Details


CADORS Number 1997C0708
Occurrence Type Accident
Reported By NAV CANADA
Occurred At 1997-10-09 - 16:40
Day or Night?
Fatalities 0
Injuries 0
Aerodrome ID
Aerodrome Name
Geographic Location Alberta, Canada, North America, Prairie and Northern Region, 5 S of Gleichen, AB
TSB Occurrence Number
TSB Class of Investigation
AOR Number
Reported By NAV CANADA
Categories System/component failure or malfunction [powerplant],System/component failure or malfunction [non-powerplant]
Events



Aircraft Details (1 aircraft)

Type Helicopter
 Silhouette image of Helicopter
Canadian Registration FALE | Flightaware (Registration) | Flightaware (Tracking) | AvHerald
Foreign Registration
Country of Registration Canada
Occurrence Type Accident
Owner ALPINE HELICOPTERS LTD
Operator Commercial
Make  Silhouette image of BELL
BELL
Model 206B
Year Built 1973
Engine Type Turbo shaft
Engine Make
Engine Model
Gear Type Land
Private No
Amateur Built No
Flight Number
Flight Rule
CARS Subpart
Phase of Flight Cruise
Damage Unknown
Fatalities 0
Injuries 0
Events Airframe failure,Engine - malfunction

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