Boeing JB-75 accident near Marston Mills, Massachusetts, March 22, 1985
On March 22, 1985 at about 7:00 pm local time, a Boeing JB-75, registered N3993P, was substantially damaged in an accident near Marston Mills, Massachusetts (Cape Cod airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were 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 22, 1985 · about 7:00 pm local time
- Place
- Marston Mills, Massachusetts · Cape Cod
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Boeing JB-75
- Registration
- N3993P · registry record · serial AR-33
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE ACFT NOSED OVER AFTER CONTACTING AN UTILITY POLE DURING AN OVERRUN LANDING. THE ACFT TOUCHED DOWN APRX 1/2 WAY DOWN THE RWY AND THE PLT APPLIED BRAKES, HOWEVER, BRAKING ACTION WAS POOR BECAUSE OF THE WET GRASS RWY. THE ACFT SKIDDED OFF THE END OF THE RWY WHERE IT CONTACTED THE UTILITY POLE AND NOSED OVER.
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; single-engine sea
- Flight time: 543 hours in all; 65 in this make and model; 64 in the last 90 days; 491 as pilot in command
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: rear
The aircraft
- Last inspection: inspection type not recorded
- Maximum gross weight: 2,700 lb
- Seats: 2
- Landing gear: fixed
- Engine: Continental W670-A (piston); 0 hours total
The flight
- Departed from: Chatham MA at 6:40 pm
- Destination: Cape Cod MA
- Flight plan: none
- Runway 36, 1,655 ft by 50 ft
Weather at the time
- Light: daylight
- Wind: from 190° at 10 knots
- Visibility: 10 statute miles
- Sky: not recorded; not recorded
- Temperature: 45°F (7°C), dew point 25°F (-4°C)
- Altimeter: 30.00 inHg
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.
Other NTSB records under N3993P the same tail number, which may have belonged to a different aircraft at the time
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.