Cessna 150M accident near Chickaloon, Alaska, April 14, 2000
On April 14, 2000 at about 6:25 pm local time, a Cessna 150M, registered N6446K, was substantially damaged in an accident near Chickaloon, Alaska (Sheep Mountain airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The pilot's selection of an unsuitable landing area. Factors associated with the accident were an open service door, and snow-covered terrain.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- April 14, 2000 · about 6:25 pm local time
- Place
- Chickaloon, Alaska · Sheep Mountain · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 150M · all 150Ms on the register
- Registration
- N6446K · no longer on the register · serial 15077707
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The certificated private pilot reported that while in cruise flight, the oil dip stick access door opened. He said that he elected to land at a snow-covered, nonmaintained airstrip, and close the door. The pilot reported that while landing to the west, the main wheels contacted deep snow on the runway, and the airplane nosed over. The airplane sustained substantial damage to the wings, fuselage, and engine firewall assembly.
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: 85 hours in all; 85 in this make and model; 4 in the last 90 days; 3 in the last 30 days; 40 as pilot in command
- Medical certificate: Class 3 (expired)
- Seat: left
The aircraft
- Airframe total time: 8,503 hours
- Last inspection: annual inspection, April 1, 2000; 23 hours since
- Maximum gross weight: 1,600 lb
- Seats: 2
- Landing gear: fixed
- Engine: Continental O-200-A (piston); 0 hours total
The flight
- Departed from: PAQ Palmer AK at 12:25 pm
- Flight plan: none
- Runway 4, 2,270 ft by 60 ft
Weather at the time
- Light: daylight
- Visibility: 50 statute miles
- Sky: clear
- Temperature: 39°F (4°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 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 N6446K 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.