Maule M-4-220C accident near Beluga, Alaska, May 2, 1991
On May 2, 1991, a Maule M-4-220C, registered N40676, was substantially damaged in an accident near Beluga, 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
THE ENGINE FAILURE DUE TO UNDETERMINED CAUSES. CONTRIBUTING TO THE ACCIDENT WAS THE UNSUITABILITY OF THE AVAILABLE LANDING AREA.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 2, 1991
- Place
- Beluga, Alaska · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Maule M-4-220C · all M-4-220Cs on the register
- Registration
- N40676 · registry record · serial 2180C
- 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 REDUCED ENGINE POWER TO IDLE AND MADE A LOW PASS OVER A SNOW COVERED STRIP. WHEN HE ADDED POWER TO RESUME THE FLIGHT, THE ENGINE FAILED. THERE WAS NO SUITABLE FORCED LANDING AREA AVAILABLE. THE PILOT DID NOT REMEMBER APPLYING CARBURETOR HEAT UNTIL AFTER THE ENGINE FAILED.
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
- Flight time: 580 hours in all; 220 in this make and model; 3 in the last 90 days; 3 in the last 30 days
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 1,592 hours
- Last inspection: annual inspection, November 7, 1990; 3 hours since
- Maximum gross weight: 2,300 lb
- Seats: 4
- Landing gear: fixed
- Engine: Franklin 6A350-C1 (piston); 0 hours total
The flight
- Departed from: MRI Anchorage AK at 7:20 pm
- Flight plan: VFR
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 180° at 10 knots
- Visibility: 30 statute miles
- Sky: clear
- Temperature: 39°F (4°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.
Other NTSB records under N40676 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.
