ASN Wikibase Occurrence # 35733
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| Date: | Saturday 9 March 1991 |
| Time: | 19:50 |
| Type: |  Beechcraft 35-C33A Debonair |
| Owner/operator: | private |
| Registration: | N4828J |
| MSN: | CE-115 |
| Total airframe hrs: | 4050 hours |
| Engine model: | CONTINENTAL TSIO-520-D |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Key West, FL -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | |
| West Palm Beach, FL (PBI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WITNESSES reported THEY HEARD PROPELLER OVERSPEED FOLLOWED BY ENGINE PWR BEING REDUCED TO IDLE AS IF PILOT PULLED THROTTLE CLOSED. ACFT THEN BANKED TO LEFT AND ENTERED SPIN TO THE LEFT CRASHING INTO A PARKING LOT. POST CRASH EXAMINATION OF THE ENGINE, ACFT STRUCTURE, AND FLIGHT CONTROLS REVEALED NO EVIDENCE OF PRECRASH FAILURE OR MALFUNCTION. EXAMINATION OF THE PROPELLER REVEALED THE NUMBER TWO BLADE PITCH CHANGE ACTUATING PIN HAD FAILED DUE TO FATIGUE. THE PIN HAD BEEN INSTALLED AT OVERHAUL, 600 FLT HOURS BEFORE THE ACCIDENT, BY FOLLOWING MCCAULEY SERVICE BULLETIN 99 WHICH IS NOT APPLICABLE TO THIS MODEL PROPELLER. THE PIN WAS INSTALLED BY USING A SHORT THREADED PIN, A THIN SPACER, AND A BLIND HOLE IN THE FERRULE. THIS COMBINATION ALLOWED THE PIN TO BOTTOM OUT IN THE HOLE THUS NOT TORQUING PROPERLY AND THUS CRACKING DUE TO APPLIED LOADS. CAUSE: THE PILOT-IN-COMMAND'S FAILURE TO MAINTAIN AIRSPEED, WHILE RETURNING FOR AN EMERGENCY LANDING FOLLOWING PROPELLER FAILURE, RESULTING IN THE AIRCRAFT STALLING AND ENTERING A SPIN.
Among the 3 dead was former Major League Baseball pitcher Jim Hardin.
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X16649_
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 09-Jan-2017 08:39 | Anon. | Updated [Narrative] |
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