Cessna 172 accident near Elkhorn, Montana, March 18, 1990
On March 18, 1990 at about 7:47 pm local time, a Cessna 172, registered N61918, was substantially damaged in an accident near Elkhorn, Montana. 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 PILOT'S DECISION TO ATTEMPT FLIGHT IN TERRAIN AND CONDITIONS WHICH EXCEEDED THE PERFORMANCE CAPABILITIES OF THE AIRPLANE.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- March 18, 1990 · about 7:47 pm local time
- Place
- Elkhorn, Montana · map
- Type
- Accident
- Injuries
- No one was hurt; 3 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 172 · all 172s on the register
- Registration
- N61918 · no longer on the register · serial 17264884
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE FLIGHT FLEW LOW AND SLOW UP A STEEP CANYON. THE PILOT SAID THE FLIGHT ENCOUNTERED A STRONG DOWNDRIFT AND COULD NOT MAINTAIN ALTITUDE WITH FULL POWER APPLIED. THE PILOT SAID THE CANYON WALLS CLIMBED STEEPLY AND NARROWED RAPIDLY, PREVENTING HIM FROM TURNING BACK OUT OF THE CANYON. THE PLANE NOSED DOWN INTO THE TREES, WEDGED AGAINST A TREE TRUNK, AND CAME TO REST 8 FEET OFF THE GROUND IN A NOSE DOWN ATTITUDE. THE PILOT SAID THE RIGHT WING, FUSELAGE AND THE PROPELLER WERE BENT. THE PILOT SAID HE SHOULD HAVE SELECTED A HIGHER ALTITUDE AND NOT FLOWN UP THE CANYON.
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: commercial pilot
- Ratings: single-engine land; instrument: airplane
- Flight time: 550 hours in all; 472 in this make and model; 420 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: unk
The aircraft
- Last inspection: inspection type not recorded; 0 hours since
- Maximum gross weight: 2,300 lb
- Seats: 4
- Landing gear: fixed
- Engine: Lycoming O-320-E2D (piston); 0 hours total
- Operator: Helena Aircraft INC.
The flight
- Departed from: HLN Helena MT at 7:30 pm
- Destination: HLN
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 180° at 5 knots
- Visibility: 20 statute miles
- Sky: scat at 25,000 ft
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
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.
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.