Amateur-built MONOFLY accident near Jacksonville, Florida, August 3, 1988
On August 3, 1988 at about 10:22 pm local time, a amateur-built MONOFLY, registered N70061, was substantially damaged in an accident near Jacksonville, Florida (Craig Municipal airport). It was a flight of an unrecorded kind 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
- August 3, 1988 · about 10:22 pm local time
- Place
- Jacksonville, Florida · Craig Municipal · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built MONOFLY
- Registration
- N70061 · registry record · serial JS-01
- Damage
- Substantial damage
- Flight
- Flight of an unrecorded kind · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
FLT EXPERIENCED TOTAL LOSS OF ENGINE POWER WHILE ON A DOWNWIND POSITION FOR LANDING. THE RUNWAY COULD NOT BE REACHED AND A FORCED LANDING WAS MADE IN TREES. THE FUEL PUMP WAS MOUNTED DIRECTLY TO THE ENGINE BLOCK AND AUTO FUEL WAS BEING USED. AFTER THE ACCIDENT THE ENGINE WAS OPERATED ON THE AIRCRAFT TO FULL POWER WITH NO EVIDENCE OF FAILURE OR MALFUNCTION. THE CONDITIONS WERE CONDUCIVE FOR FUEL VAPOR LOCK.
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; single-engine sea; instructor: airplane multi-engine; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane
- Flight time: 985 hours in all; 1 in this make and model; 26 in the last 90 days; 795 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 1 hours
- Last inspection: approved inspection programme, August 3, 1988; 1 hours since
- Seats: 2
- Landing gear: fixed
- Engine: Rotax 503 (piston); 0 hours total
The flight
- Departed from: CRG at 10:18 pm
- Flight plan: none
- Runway 13, 4,007 ft by 100 ft
Weather at the time
- Light: daylight
- Wind: from 130° at 9 knots
- Visibility: 7 statute miles
- Sky: broken clouds at 25,000 ft; scat at 5,000 ft
- Temperature: 82°F (28°C), dew point 72°F (22°C)
- Altimeter: 30.00 inHg
- Observation at 10:22 pm from CRG, 1 miles away
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.