Incident at ST. JOHN'S INTL NL (CYYT) (Aerodrome, runway or taxiway shutdown)

Summary

2015-05-12: UPDATE: TSB Report#A15A0023: The Cougar Helicopter Sikorsky-92A (registration C-GMCH) was in the hover preparing to depart runway 29 in St John's (CYYT) when the crew noted a rise in the TGT temperature and heard two rapid "pops". The number 2 engine, a GE CT7-8A had failed, the aircraft was landed and taxied back to the hangar. The deswirl exhaust duct P/N 6043T2G05 separated from the aircraft and was recovered showing ground impact damage. There was no damage to the airframe and the engine will be replaced.
2015-05-12: A Cougar Helicopters Sikorsky S-92A (C-GMCH / CH181) on a local flight from St. John's, NL (CYYT) was given takeoff clearance from Runway 29. Shortly after, the pilot advised of an engine failure before the aircraft had lifted off. Pilot requested a taxi clearance back to the ramp with no assistance required. Pilot asked tower to watch for possible smoke as a precautionary. Nothing unusual was noticed on the taxi. Shortly after, the tower learned that a part of the airframe was missing from aircraft. A field search found missing part just north of Runway 29 on the grass. Tower was not informed which part it was. An Exploits Valley Air Services aircraft (EV7624) was delayed landing by about 7 minutes due to search for the missing aircraft part on the runway.

Details


CADORS Number 2015A0349
Occurrence Type Incident
Reported By NAV CANADA, Transportation Safety Board of Canada
Occurred At 2015-05-04 - 18:20
Day or Night? Day-time
Fatalities 0
Injuries 0
Aerodrome ID CYYT
Aerodrome Name ST. JOHN'S INTL NL (CYYT)
Geographic Location Newfoundland and Labrador, Canada, North America, Atlantic Region, ST. JOHN'S INTL NL (CYYT)
TSB Occurrence Number A15A0023
TSB Class of Investigation Class 5
AOR Number 186599-V1
Reported By NAV CANADA, Transportation Safety Board of Canada
Categories System/component failure or malfunction [powerplant],Other,Aerodrome
Events Aerodrome, runway or taxiway shutdown



Aircraft Details (1 aircraft)

Type Helicopter
 Silhouette image of Helicopter
Canadian Registration GMCH | Flightaware (Registration) | Flightaware (Tracking) | AvHerald
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Owner Cougar Helicopters Inc.
Operator COUGAR HELICOPTERS INC. (4791) Commercial
Make  Silhouette image of SIKORSKY
SIKORSKY
Model S-92A
Year Built 2005
Engine Type Turbo shaft
Engine Make GENERAL ELECTRIC
Engine Model CT7-8
Gear Type Land
Private No
Amateur Built No
Flight Number CHI81
Flight Rule IFR
CARS Subpart 703
Phase of Flight Hover
Damage No Damage
Fatalities 0
Injuries 0
Events Engine failure,Part or pieces separate from an aircraft

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