ASN Wikibase Occurrence # 360674
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| Date: | Friday 25 March 1994 |
| Time: | 16:30 LT |
| Type: |  Mooney M20J |
| Owner/operator: | Private |
| Registration: | N4780H |
| MSN: | 24-0871 |
| Year of manufacture: | 1979 |
| Total airframe hrs: | 1352 hours |
| Engine model: | LYCOMING IO-360-A3B6D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Muscle Shoals, AL -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | |
| Talahasse, FL (KTLH) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
ACCORDING TO WITNESSES, THE ENGINE DID NOT PRODUCE FULL POWER DURING TAKEOFf. A LONGER THAN NORMAL TAKE OFF ROLL OCCURRED, WHICH USED OVER HALF OF THE 4,000 FOOT LONG RUNWAY. THE PILOT REPORTED THAT THE POWER OUTPUT DECREASED AFTER BECOMING AIRBORNE. THE PILOT IMMEDIATELY ENTERED A DOWNWIND AND RETURNED TO THE DEPARTURE RUNWAY, AT LOW LEVEL. ON FINAL APPROACH, PRIOR TO REACHING THE RUNWAY, THE LEFT WING HIT THE GROUND AND THE AIRPLANE CARTWHEELED. FOLLOWING THE ACCIDENT, THE THROTTLE CABLE WAS FOUND LOOSE, WHICH PREVENTED OBTAINING FULL POWER. AN ENTRY IN THE AIRCRAFT LOG INDICATED THAT AN ANNUAL INSPECTION HAD BEEN PERFORMED THE PREVIOUS DAY. THE ENGINE LOG ALSO CONTAINED AN ENTRY INDICATING A 100 HOUR INSPECTION HAD BEEN ACCOMPLISHED THE PREVIOUS DAY.
Probable Cause: WAS THE LOOSE THROTTLE CABLE, AND THE PILOT'S FAILURE TO ABORT THE TAKEOFF WHEN THE ENGINE DID NOT PRODUCE FULL POWER. A FACTOR WAS THE INADEQUATE MAINTENANCE INSPECTION OF THE ENGINE.
Accident investigation:
 |
|
Sources:
NTSB ATL94LA070
History of this aircraft
Other occurrences involving this aircraft
| 6 June 2001 | N4780H | Private | 3 | Monroe, NC | |
w/o |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 09:54 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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