Cessna 175 accident near Ogden, Utah, March 29, 1984
On March 29, 1984 at about 7:55 pm local time, a Cessna 175, registered N7270M, was substantially damaged in an accident near Ogden, Utah. 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 NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- March 29, 1984 · about 7:55 pm local time
- Place
- Ogden, Utah · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 175 · all 175s on the register
- Registration
- N7270M · no longer on the register · serial 55570
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
AFTER TAKEOFF, THE ENG BEGAN TO SMOKE & LOSE POWER. DURING A FORCED LANDING IN A MUDDY PLOWED FIELD, THE ACFT NOSED OVER. A COMPRESSION CHECK WAS ACCOMPLISHED & THE #5 CYLINDER WAS FOUND TO HAVE ZERO COMPRESSION. THE CYLINDER WAS REMOVED & FOUND TO BE CRACKED 2/3 OF THE WAY AROUND ITS CIRCUMFERENCE, 2-1/2 INCHES FROM THE MOUNTING BASE.
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: 223 hours in all; 90 in this make and model; 11 in the last 90 days; 156 as pilot in command
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 1,980 hours
- Last inspection: annual inspection, March 6, 1984; 232 hours since
- Maximum gross weight: 2,400 lb
- Seats: 4
- Landing gear: fixed
- Engine: Continental GO-300-A (piston); 0 hours total
The flight
- Departed from: SLC Salt Lake City UT
- Destination: TWF Twin Falls ID
- Flight plan: VFR
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 240° at 10 knots
- Visibility: 50 statute miles
- Sky: broken clouds at 10,000 ft; not recorded at 10,000 ft
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
- Altimeter: 29.00 inHg
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.
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.