ASN Wikibase Occurrence # 24881
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| Date: | Saturday 16 November 1996 |
| Time: | 16:00 LT |
| Type: |  Beechcraft A90 King Air |
| Owner/operator: | Fayard Enterprises, Inc. |
| Registration: | N814SW |
| MSN: | LJ-186 |
| Year of manufacture: | 1966 |
| Engine model: | P&W PT6-20 |
| Fatalities: | Fatalities: 0 / Occupants: 11 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Santa Ana-Orange County Airport, CA -
 United States of America
|
| Phase: | Take off |
| Nature: | Unknown |
| Departure airport: | (W93) |
| (W93) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was taking off with 10 jumpers onboard. At the rotation speed of 100 knots, he used elevator trim to rotate the airplane, but it did not lift off the runway. He continued moving the trim wheel violently to pitch the nose up, and attempted to pull back on the yoke, but the airplane collided with rising terrain off the end of the runway. A witness did not see any of the flight controls move during the pilot preflight inspection, and during the takeoff roll, he did not observe a nose up rotation of the airplane. The pilot reported that he removed a single pin control lock from the yoke during preflight. The Beech control lock consisted of two pins, two chains, and a U-shaped engine control lock. The pilot walked away from the wreckage after the accident. No control locks were found in the wreckage. However, the control column shaft exhibited distress signatures on the periphery of the hole where the control lock is installed. No other evidence was found of any other form of mechanical jamming, interference, or discontinuity with the flight controls. Investigators were unable to identify any potential source of interference, other than a control lock, that could have simultaneously jammed both pitch and roll control. According to the airplane's manufacturer, about 3 to 6 degree of trim would have been normal for the airplane's takeoff conditions.
Probable Cause: The pilot's inadequate preflight inspection and his failure to complete the pretakeoff checklist which resulted in a takeoff roll with the control lock in place.
Accident investigation:
 |
|
Sources:
NTSB IAD97FA023
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 09-Feb-2013 13:08 | wf | Updated [Cn, Operator, Location, Phase, Departure airport, Source, Damage, Narrative] |
| 21-Dec-2016 19:14 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 08-Apr-2024 18:00 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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