Amateur-built RV-6 accident near Enterprise, Oregon, April 15, 1994
On April 15, 1994 at about 8:50 pm local time, a amateur-built RV-6, registered N7057G, was substantially damaged in an accident near Enterprise, Oregon (Interprise Municipal airport). It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries; 1 other was unhurt. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
A LOSS OF POWER DUE TO A PARTIALLY BLOCKED INDUCTION AIR FILTER. FACTORS INCLUDE NO SUITABLE TERRAIN ON WHICH TO EXECUTE A FORCED LANDING.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- April 15, 1994 · about 8:50 pm local time
- Place
- Enterprise, Oregon · Interprise Municipal · map
- Type
- Accident
- Injuries
- 1 person had minor injuries; 1 other was unhurt.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built RV-6
- Registration
- N7057G · registry record · serial 200066
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
JUST AFTER TAKEOFF, THE AIRCRAFT EXPERIENCED A PARTIAL LOSS OF POWER, AND THE PILOT ELECTED TO ATTEMPT A FORCED LANDING ON THE NEARBY UNSUITABLE TERRAIN. INSPECTION OF THE AIRCRAFT REVEALED THAT THE INDUCTION AIR FILTER WAS PARTIALLY BLOCKED BY FRAGMENTS OF AN INSULATING MATERIAL THAT THE BUILDER HAD WRAPPED AROUND THE EXHAUST SYSTEM.
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: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instrument: airplane
- Flight time: 4,500 hours in all; 104 in this make and model; 4,450 as pilot in command; 600 on instruments
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Last inspection: annual inspection
- Maximum gross weight: 1,600 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-360-A1A (piston); 0 hours total
The flight
- Destination: AFO Afton WY
- Flight plan: VFR
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 50 statute miles
- Sky: clear
- Temperature: 66°F (19°C), dew point 30°F (-1°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.