Cessna 175 accident near Anchorage, Alaska, August 21, 1989
On August 21, 1989 at about 4:25 am local time, a Cessna 175, registered N6929E, was substantially damaged in an accident near Anchorage, Alaska. 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
FAILURE OF THE ACCESSORY DRIVE (CRANKSHAFT) DOWEL PIN AND/OR GEAR BOLT, WHICH RESULTED IN THE ACCESSORY DRIVEGEAR BECOMING DISCONNECTED FROM THE CRANKSHAFT.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 21, 1989 · about 4:25 am local time
- Place
- Anchorage, Alaska
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 175 · all 175s on the register
- Registration
- N6929E · no longer on the register · serial 56429
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: private
- Ratings: single-engine land; single-engine sea
- Flight time: 450 hours in all; 300 in this make and model; 15 in the last 90 days; 6 in the last 30 days; 400 as pilot in command
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 1,952 hours
- Last inspection: annual inspection, March 1, 1989; 16 hours since
- Maximum gross weight: 2,350 lb
- Seats: 4
- Landing gear: fixed
- Engine: Lycoming O-360-A1A (piston); 0 hours total
The flight
- Departed from: SXQ Soldotna AK at 11:00 pm
- Destination: MRI Anchorage AK
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 250° at 10 knots
- Visibility: 30 statute miles
- Sky: scat at 4,000 ft
- Temperature: 55°F (13°C), dew point 0°F (-18°C)
- Altimeter: 29.00 inHg
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.