Piper PA-28R-180 accident near Sarasota, Florida, April 1, 2003
On April 1, 2003 at about 11:15 pm local time, a Piper PA-28R-180, registered N4952J, was substantially damaged in an accident near Sarasota, Florida. It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
A loss of engine power due to the crankshaft bolt losing torque, the gear disengaging, and the engine ceasing to operate as a result of inadequate maintenance installation.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- April 1, 2003 · about 11:15 pm local time
- Place
- Sarasota, Florida · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Piper PA-28R-180 · all PA-28R-180s on the register
- Registration
- N4952J · no longer on the register · serial 28R-30698
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The pilot stated that he had performed maneuvers in the practice area and was on his way back to the Sarasota/Bradenton Airport, Sarasota, Florida, at 1,600 feet, when all of a sudden, the airplane's engine ceased operating. He said he made a forced landing and during the landing rollout the airplane collided with a curb and a sign, incurring damage to the wings. Postaccident examination of the accident airplane revealed that the Bendix magneto had become displaced from its mount. In addition, there was a discontinuity within the engine accessory section. There was the presence of oil in the area of the airframe/engine tubular mount structure, and on the lower left portion of the fuselage. The crankshaft gear bolt was loose and had a flat mark on one of the threads, the lock tab was bent and twisted, and the dowel pin had sheared. The gears within the accessory section of the engine, including the impulse coupling for the left magneto were undamaged. There was also no damage to the crankshaft gear's teeth, and the center internal bore displayed signatures consistent with there having been a side load. The NTSB Metallurgical Laboratory in Washington DC, conducted an examination of the left "Bendix" magneto, the bottom magneto clamp, the dowel pin, the crankshaft gear, the lock tab, the crankshaft, and the crankshaft bolt. The damage noted was consistent with a loss of torque on the crankshaft assembly. The dowel was found to have fatigue fractures emanating from multiple origins at the outer diameter surface, consistent with having been produced by grinding and wear/fretting. Airplane records indicate that on September 1, 1993 the engine had undergone a field overhaul, had accumulated 1450.35 hours since the overhaul. On October 30, 2002, the engine had undergone maintenance, and had both the left and right crankcase halves replaced, about 200 hours before the accident.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: private
- Ratings: single-engine land; instrument: airplane
- Flight time: 388 hours in all; 42 in this make and model; 19 in the last 90 days; 5 in the last 30 days; 327 as pilot in command
- Last flight review: August 29, 2001
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
- Injury: no injuries
The aircraft
- Airframe total time: 5,731 hours
- Last inspection: 100-hour inspection, February 18, 2003; 55 hours since
- Maximum gross weight: 2,500 lb
- Seats: 4
- Landing gear: retractable
- Engine: Lycoming IO-360 (piston); 0 hours total
The flight
- Departed from: SRQ Sarasota FL at 5:25 pm
- Flight plan: none
Weather at the time
- Wind: from 110° at 5 knots
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 70°F (21°C), dew point 43°F (6°C)
- Altimeter: 30.29 inHg
- Observation at 5:53 pm from SRQ
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 2 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.