ASN Wikibase Occurrence # 346109
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| Date: | Thursday 16 July 1998 |
| Time: | |
| Type: |  Beechcraft A100 King Air |
| Owner/operator: | Transport Canada |
| Registration: | C-FDOR |
| MSN: | B-103 |
| Year of manufacture: | 1972 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Unknown |
| Category: | Accident |
| Location: | Ottawa MacDonald-Cartier International Airport -
 Canada
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | North Bay, Ontario |
| Ottawa MacDonald-Cartier International Airport | |
| Investigating agency: | TSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The Beech A100 King Air departed Ottawa MacDonald-Cartier International Airport at 0830 eastern daylight saving time on an instrument flight rules (IFR) training flight to North Bay, Ontario, with two flight crew on board.
At North Bay, the crew conducted a radar-vectored back-course approach to runway 26 with a touch-and-go landing followed by two visual flight rules touch-and-go landings, then a full-stop landing. The flight crew switched seat positions in the aircraft and departed on a return IFR flight to Ottawa. At Ottawa, when the landing gear was selected down, the crew observed an unsafe landing gear indication in the cockpit and requested and received overshoot instructions from air traffic control. Visual observation from the ground during the overshoot confirmed the landing gear was not extended. The flight crew carried out the emergency landing gear extension procedure, but still observed an unsafe landing gear position indication for the right main landing gear; however, the landing gear appeared to be extended when observed from the ground. The flight crew discussed how the landing would be carried out, requested emergency rescue services for the landing, and proceeded to land on runway 25. On the landing roll, the right main landing gear collapsed and the aircraft went off the right side of the runway. There were no injuries. The accident occurred during the hours of daylight in visual meteorological conditions.
Causes and contributing factors
For undetermined reasons, the right main landing gear did not lock down following extension of the landing gear by the emergency method, causing it to collapse on the landing roll. The normal aircraft hydraulic landing gear extension and retraction system was rendered inoperable when the circuit breaker for the electric hydraulic pump motor opened, likely due to overheating from repeated cycling of the electric motor. A defective landing gear hydraulic system accumulator contributed to the repeated cycling of the electric hydraulic pump motor.
Accident investigation:
 |
|
Sources:
TSB
History of this aircraft
Other occurrences involving this aircraft
| 16 August 2015 | C-FDOR | Maritime Air Charter | 0 | Margaree Airport, NS | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Sep-2023 15:00 | harro | Added |
Corrections or additions? ... Edit this accident description
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