ASN Wikibase Occurrence # 349140
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| Date: | Monday 19 February 1996 |
| Time: | |
| Type: |  Boeing 747-433 Combi |
| Owner/operator: | Air Canada |
| Registration: | C-GAGL |
| MSN: | 24998/840 |
| Year of manufacture: | 1991 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Aircraft damage: | Minor |
| Category: | Incident |
| Location: | Toronto/Lester B. Pearson International Airport, Ontario -
 Canada
|
| Phase: | Take off |
| Nature: | Passenger - Scheduled |
| Departure airport: | Toronto-Pearson International Airport, ON (YYZ/CYYZ) |
| Vancouver International Airport, BC (YVR/CYVR) | |
| Investigating agency: | TSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The Boeing 747-433 Combi aircraft, operating as Air Canada flight 899, was on a scheduled passenger/freight flight from Toronto/Lester B. Pearson International Airport, Ontario, to Vancouver International Airport, British Columbia. As the aircraft was taking off, the underside of the tail struck the runway, and, during the climb-out, considerable nose-down stabilizer trim was required to trim the aircraft for flight. The strike was undetected by any crew member, and the flight continued to destination, where damage to the aircraft was discovered.
The Board determined that the underside of the tail struck the runway on take-off because the first officer rotated the aircraft too steeply and at an aircraft speed below the calculated rotation speed; the early rotation was facilitated by the far aft centre of gravity and the incorrect stabilizer trim setting. Contributing to the incident were an error in a recently modified aircraft loading computer application, incomplete validation of the modifications to the computer application, and the inability of the aircraft loading system to detect a gross calculation error.
Accident investigation:
 |
|
Sources:
TSB
History of this aircraft
Other occurrences involving this aircraft
| 14 December 2007 | B-2477 | Air China | 0 | New York, NY |  |
sub |
| 8 February 2024 | G-ONEE | One Air | 0 | over Southern North Sea |  |
non |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Dec-2023 17:46 | harro | Updated [Cn, Total fatalities, Other fatalities, Phase, Nature, Departure airport, Destination airport, Source, Damage, Narrative] |
Corrections or additions? ... Edit this accident description
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