Piper PA-46-310P accident near Yokota, Ja, June 3, 1992
On June 3, 1992 at about 8:05 pm local time, a Piper PA-46-310P, registered N4391B, was substantially damaged in an accident near Yokota. It was a personal flight under general aviation rules (Part 91). 4 people had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 3, 1992 · about 8:05 pm local time
- Place
- Yokota, JA
- Type
- Accident
- Injuries
- 4 people had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Piper PA-46-310P · all PA-46-310Ps on the register
- Registration
- N4391B · no longer on the register
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The factual record from the NTSB's investigation tables, in plain English
The aircraft
- Last inspection: inspection type not recorded; 0 hours since
- Seats: 0
- Landing gear: fixed
- Not recorded
- Operator: Yokota Aero Club
The flight
- Departed from: RJTY
- Destination: RJTY
- Flight plan: not recorded
- Runway 0
Weather at the time
- Light: not reported
- Wind: from 180° at 14 knots
- Visibility: 15 statute miles
- Sky: broken clouds at 20,000 ft; not recorded
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
- Altimeter: 29.00 inHg
- Observation at 8:05 pm from RJTY
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 3 |
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.