Narrative:
The Falcon 10 corporate jet departed North Philadelphia Airport, PA (PNE) at 08:25 en route to Flint, MI (FNT).
On approach the pilot reported getting an unsafe indication on the right main landing gear when the landing gear was lowered. The crew recycled the landing gear and got the same unsafe indication. The crew retracted the gear and diverted to Detroit. On arrival, the crew performed the 'landing gear abnormal extension checklist,' but the unsafe indication remained. The air traffic control tower reported that the gear appeared normal. During the landing on runway 3R, the right main landing gear retracted. The airplane slid sideways, striking a runway marker as it departed the runway, and came to rest in a field. Examination revealed that the right landing gear downlock mechanism could be overcome with physical force. Examination of the right landing gear actuator revealed that one of the six shims which separate the spacers and help guide the safety lock switch was out of position and lying on top of the lock assembly.
PROBABLE CAUSE: "Failure of the right landing gear locking mechanism."
| Status: | Accident investigation report completed and information captured |
| Date: | Wednesday 24 January 1996 |
| Time: | 10:18 |
| Type: |  Dassault Falcon 10 |
| Operator: | Masco Corporation |
| Registration: | N191MC |
| MSN: | 30 |
| First flight: | 1974 |
| Total airframe hrs: | 9829 |
| Engines: | 2 Garrett TFE731-2-1C |
| Crew: | Fatalities: 0 / Occupants: 2 |
| Passengers: | Fatalities: 0 / Occupants: 6 |
| Total: | Fatalities: 0 / Occupants: 8 |
| Aircraft damage: | Damaged beyond repair |
| Location: | Detroit-Metropolitan Wayne County Airport, MI (DTW) ( United States of America)
|
| Phase: | Landing (LDG) |
| Nature: | Executive |
| Departure airport: | Philadelphia-North Philadelphia Airport, PA (PNE/KPNE), United States of America |
| Flint-Bishop Airport, MI (FNT/KFNT), United States of America |
The Falcon 10 corporate jet departed North Philadelphia Airport, PA (PNE) at 08:25 en route to Flint, MI (FNT).
On approach the pilot reported getting an unsafe indication on the right main landing gear when the landing gear was lowered. The crew recycled the landing gear and got the same unsafe indication. The crew retracted the gear and diverted to Detroit. On arrival, the crew performed the 'landing gear abnormal extension checklist,' but the unsafe indication remained. The air traffic control tower reported that the gear appeared normal. During the landing on runway 3R, the right main landing gear retracted. The airplane slid sideways, striking a runway marker as it departed the runway, and came to rest in a field. Examination revealed that the right landing gear downlock mechanism could be overcome with physical force. Examination of the right landing gear actuator revealed that one of the six shims which separate the spacers and help guide the safety lock switch was out of position and lying on top of the lock assembly.
Probable Cause:
PROBABLE CAUSE: "Failure of the right landing gear locking mechanism."
Accident investigation:
 |
|
Sources:
» NTSB id CHI96LA082Photos
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 Philadelphia-North Philadelphia Airport, PA to Flint-Bishop Airport, MI as the crow flies is 789 km (493 miles).
Accident location: Approximate; accuracy within a few kilometers.
Distance from Philadelphia-North Philadelphia Airport, PA to Flint-Bishop Airport, MI as the crow flies is 789 km (493 miles).
Accident location: Approximate; accuracy within a few kilometers.
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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