Cessna 210B accident near Newport Beach, California, September 27, 1989
On September 27, 1989 at about 3:02 am local time, a Cessna 210B, registered N9615X, was substantially damaged in an accident near Newport Beach, California. It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries; 1 other was unhurt. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE FATIGUE FAILURE OF THE ENGINE'S CRANKSHAFT, RESULTING IN A TOTAL LOSS OF POWER OVER UNSUITABLE TERRAIN. THE PILOT DITCHED THE AIRPLANE BECAUSE HE WAS UNABLE TO GLIDE TO SHORE.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- September 27, 1989 · about 3:02 am local time
- Place
- Newport Beach, California
- Type
- Accident
- Injuries
- 1 person had minor injuries; 1 other was unhurt.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 210B · all 210Bs on the register
- Registration
- N9615X · no longer on the register · serial 21057915
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT, WHO HAD JUST PURCHASED THE AIRCRAFT, EXPEREINCED A TOTAL LOSS OF ENGINE POWER WHILE CRUISING & HE DITCHED HIS AIRCRAFT IN A HARBOR. THE AIRCRAFT SANK. UPON ITS SUBSEQUENT RECOVERY, IT WAS EXAMINED, & ITS CRANKSHAFT WAS FOUND FRACTURED. A METALLURGICAL EXAM REVEALED THE PRESENCE OF A SURFACE ORIGIN FATIGUE CRACK, WHICH HAD PROPAGATED IN THE AREA OF THE NO 4 CRANKSHAFT CHEEK BETWEEN, THE NO 2 MAIN JOURNAL & THE NO 3 CRANKPIN JOURNAL. THE FRACTURE HAD INITIATED IN THE FORWARD FILLET RADIUS OF THE NO 2 MAIN JOURNAL. NO EVIDENCE WAS FOUND OF ANY PREEXISTING MATERIAL DEFECTS IN THE CRANKSHAFT METAL. ABOUT 10 YEARS & 1166 OPERATING HOURS BEFORE THE ACCIDENT, THE ENGINE HAD REPORTEDLY UNDERGONE A MAJOR OVERHAUL. THE AIRCRAFT'S MAINTENANCE RECORDS WERE INCOMPLETE & THE ADEQUACY OF THE PREVIOUS MAINTENANCE COULD NOT BE ADEQUATELY DOCUMENTED.
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: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instrument: airplane; rotorcraft: helicopter
- Flight time: 3,600 hours in all
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: unk
The aircraft
- Airframe total time: 4,170 hours
- Last inspection: annual inspection, July 1, 1989; 19 hours since
- Maximum gross weight: 3,000 lb
- Seats: 4
- Landing gear: retractable
- Engine: Continental IO-470-S (piston); 0 hours total
The flight
- Departed from: PSP Palm Springs CA at 2:20 am
- Destination: VNY Van Nuys CA
- Flight plan: none
- Runway 0
Weather at the time
- Light: night, bright
- Sky: not recorded; not recorded
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 |
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.