Piper PA-32R-300 accident near Denton, Maryland, June 10, 1992
On June 10, 1992 at about 4:45 pm local time, a Piper PA-32R-300, registered N4552X, was substantially damaged in an accident near Denton, Maryland. It was a personal flight under general aviation rules (Part 91). No one was hurt; 4 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE FAILURE OF THE PILOT TO DETECT THE AUTOMOBILE GASOLINE IN THE TANKS PRIOR TO DEPARTURE, AND INTENTIONAL REFUELING WITH IMPROPER FUEL BY THE PILOT'S BROTHER WHICH RESULTED IN A LOSE OF ENGINE POWER DUE TO DETONATION AND LOSS OF OIL PRESSURE.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 10, 1992 · about 4:45 pm local time
- Place
- Denton, Maryland · map
- Type
- Accident
- Injuries
- No one was hurt; 4 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Piper PA-32R-300 · all PA-32R-300s on the register
- Registration
- N4552X · registry record · serial 32R-7680027
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT EXPERIENCED A POWER LOSS ASSOCIATED WITH A LOSS OF ENGINE OIL PRESSURE, AND MADE AN OFF AIRPORT LANDING IN A WHEAT FIELD. DURING GROUND ROLLOUT, THE AIRPLANE STRUCK A DITCH NOT VISIBLE FROM THE AIR AND RECEIVED SUBSTANTIAL DAMAGE. EXAMINATION OF THE ENGINE REVEALED THREE PISTONS HAD EXPERIENCED THE EFFECTS OF DETONATION. WHEN INTERVIEWED AFTER THE ACCIDENT, THE PILOT INITIALLY TOLD THE SAFETY BOARD HE WAS USING 100LL AV GAS; HOWEVER, HE LATER ACKNOWLEDGED THAT HIS BROTHER HAD FUELED THE AIRPLANE WITH AUTOMOBILE GASOLINE ON THE DAY OF THE ACCIDENT. ADDITIONALLY, HE SAID HE DID NOT DETECT THE AUTOMOBILE GASOLINE DURING THE PREFLIGHT.
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: 511 hours in all; 76 in this make and model; 38 in the last 90 days; 32 in the last 30 days; 456 as pilot in command
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 3,536 hours
- Last inspection: annual inspection, May 13, 1992; 3 hours since
- Maximum gross weight: 3,600 lb
- Seats: 6
- Landing gear: retractable
- Engine: Lycoming IO-540-KIA5D (piston); 0 hours total
The flight
- Departed from: N80 Ocean City MD at 4:30 pm
- Destination: W48 Baltimore MD
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 20 statute miles
- Sky: clear
- Temperature: 81°F (27°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 3 |
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.