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Accident description
Last updated: 23 October 2017
Status:Preliminary - official
Date:Friday 28 July 2000
Time:00:58
Type:Silhouette image of generic G159 model; specific model in this crash may look slightly different
Grumman G-159 Gulfstream I
Operator:Airwave Transport
Registration: C-GPTG
C/n / msn: 189
First flight: 1968
Engines: 2 Rolls-Royce Dart 529-8X
Crew:Fatalities: 0 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 2
Airplane damage: Damaged beyond repair
Location:Montreal-Dorval International Airport, QC (YUL) (   Canada)
Phase: Landing (LDG)
Nature:Cargo
Departure airport:Toronto-Pearson International Airport, ON (YYZ/CYYZ), Canada
Destination airport:Montreal-Dorval International Airport, QC (YUL/CYUL), Canada
Flightnumber:9806
Narrative:
Airwave flight 9806, a G-159 Gulfstream I, was flying IFR from Toronto (YYZ) to Montreal-Dorval (YUL). When it was on final for runway 06R, the pilot reported a problem with the landing gear.
The crew recycled the gear and performed the emergency extension procedure unsuccessfully before trying various flight manoeuvres to free the gear. They then circled Montreal until minimum fuel was reached, declared an emergency and landed. On landing, the aircraft veered to the left and came to a halt 60 ft from the runway.
Preliminary investigation revealed that an apprentice AME moved a line in the landing gear well prior to the flight. The work was neither scheduled nor required. The apprentice left the work unfinished when he went to do something else, then forgot that a fastener was not in place. There was no flag or note to inform the other technicians or the crew that the aircraft was not in an airworthy state. The apprentice has two years experience with this company. The management was satisfied with the quality of his work. Two other licensed AMEs were working in the hangar with the apprentice. He was the only apprentice they had to supervise. The apprentice attended a type training course for this aircraft.

Classification:
Wrong installation of parts
Forced landing on runway

Sources:
» CADORS Number: 2000Q0422
» ICAO Adrep 6/00


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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Toronto-Pearson International Airport, ON to Montreal-Dorval International Airport, QC as the crow flies is 504 km (315 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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