Grumman AA-1B accident near Marston Mills, Massachusetts, July 10, 1986
On July 10, 1986 at about 4:15 pm local time, a Grumman AA-1B, registered N2NH, was substantially damaged in an accident near Marston Mills, Massachusetts (Marston Mills airport). It was a personal flight under general aviation rules (Part 91). 1 person was seriously injured. 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
- July 10, 1986 · about 4:15 pm local time
- Place
- Marston Mills, Massachusetts · Marston Mills
- Type
- Accident
- Injuries
- 1 person was seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- Grumman AA-1B
- Registration
- N2NH · no longer on the register · serial AA1B0527
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT FAILED TO CLEAR TREES ON THE LEFT SIDE OF THE RUNWAY ON DEPARTURE, AND CRASHED TO THE GROUND. THE PLT FAILED TO FILE AND ACC REPORT AND HIS FLT TIME RECORDS WERE NOT AVAILABLE.
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
- Medical certificate: Unknown
- Seat: unk
The aircraft
- Last inspection: inspection type not recorded
- Maximum gross weight: 1,560 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-235C2C (piston); 0 hours total
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Sky: not recorded; not recorded
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
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.