Cessna 150G accident near Augusta, Montana, October 2, 2004
On October 2, 2004 at about 3:55 pm local time, a Cessna 150G, registered N3086R, was substantially damaged in an accident near Augusta, Montana (Augusta airport). It was a personal flight under general aviation rules (Part 91). 2 people had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The pilot's failure to maintain adequate obstacle clearance which resulted in the in-flight collision with rising terrain. Trees and rising terrain are factors in the accident.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- October 2, 2004 · about 3:55 pm local time
- Place
- Augusta, Montana · Augusta · map
- Type
- Accident
- Injuries
- 2 people had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 150G · all 150Gs on the register
- Registration
- N3086R · no longer on the register · serial 15066986
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
Shortly after takeoff the airplane collided with trees and rising terrain. In a written statement the pilot reported the airplane collided with trees and rising terrain after departing runway 12. He reported that the airplane cleared trees (approximately 50 feet in height) located at the end of the departure runway, however, the aircraft made contact with multiple trees and rising terrain beyond the departure end of the runway. The pilot stated "we hit trees for 150 yards before slowing enough to hit the ground." The published airport elevation for Benchmark is 5,434 feet MSL. No mechanical malfunctions or failures that may have contributed to the accident were reported.
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: 359 hours in all; 10 in this make and model; 32 in the last 90 days; 12 in the last 30 days; 359 as pilot in command
- Last flight review: August 12, 2004
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
- Injury: no injuries
The aircraft
- Last inspection: annual inspection
- Maximum gross weight: 1,600 lb
- Seats: 2
- Landing gear: fixed
- Engine: Continental O-200 (piston); 0 hours total
The flight
- Departed from: 3U7 Augusta MT
- Flight plan: none
- Runway 12, 6,000 ft by 100 ft
Weather at the time
- Light: daylight
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 34°F (1°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.
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.