Mooney M20K accident near Stanley, Idaho, June 6, 1992
On June 6, 1992 at about 4:35 am local time, a Mooney M20K, registered N5772C, was substantially damaged in an accident near Stanley, Idaho (Stanley airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 3 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE FAILURE OF THE PILOT TO MAINTAIN RUNWAY ALIGNMENT AND HIS LOSS OF DIRECTIONAL CONTROL DURING TAKEOFF GROUND ROLL, RESULTING IN A SWERVE OFF THE 150 FT WIDE RUNWAY AND IMPACT WITH A FENCE. FACTORS RELATING TO THE ACCIDENT WERE THE LACK OF RUNWAY LIGHTS, THE DARK NIGHT LIGHT CONDITIONS, AND THE FENCE BESIDE THE RUNWAY.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 6, 1992 · about 4:35 am local time
- Place
- Stanley, Idaho · Stanley · map
- Type
- Accident
- Injuries
- No one was hurt; 3 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Mooney M20K · all M20Ks on the register
- Registration
- N5772C · no longer on the register · serial 25-0841
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE ACFT SWERVED OFF THE SIDE OF AN UNLIGHTED AIRSTRIP DURING TAKEOFF GROUND ROLL IN DARK NIGHT LIGHT CONDITIONS AND IMPACTED A FENCE.
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: 4,215 hours in all; 2,256 in this make and model; 98 in the last 90 days; 33 in the last 30 days; 4,018 as pilot in command
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 2,256 hours
- Last inspection: annual inspection, September 3, 1991; 158 hours since
- Maximum gross weight: 2,900 lb
- Seats: 4
- Landing gear: retractable
- Engine: Continental TSIO-360-MB4 (piston); 0 hours total
The flight
- Departed from: 2U7 Stanley ID at 4:35 am
- Destination: SUN Hailey ID
- Flight plan: none
- Runway 17, 4,300 ft by 150 ft
Weather at the time
- Light: night, dark
- Wind: from 170° at 5 knots
- Visibility: 15 statute miles
- Sky: scat at 5,000 ft
- Temperature: 61°F (16°C), dew point 28°F (-2°C)
- Altimeter: 29.00 inHg
- Observation at 3:55 am from SUN, 50 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 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.
Other NTSB records under N5772C the same tail number, which may have belonged to a different aircraft at the time
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.