Cessna 402C incident near Boston, Massachusetts, May 14, 1983
On May 14, 1983 at about 1:06 am local time, a Cessna 402C, registered N6791Y, was involved in an incident near Boston, Massachusetts. It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). No one was hurt; 4 people were on board or involved. The weather was instrument conditions (cloud, fog or low visibility).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this incident. 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
- May 14, 1983 · about 1:06 am local time
- Place
- Boston, Massachusetts
- Type
- Incident
- Injuries
- No one was hurt; 4 people were on board or involved.
- Weather
- instrument conditions (cloud, fog or low visibility)
- Aircraft
- Cessna 402C · all 402Cs on the register
- Registration
- N6791Y · no longer on the register · serial 402C0454
- Damage
- Not recorded
- Flight
- Flight of an unrecorded kind · charter and air-taxi rules (Part 135)
The NTSB's narrative final · quoted from the NTSB record
WHILE IN LEVEL FLIGHT A CESSNA 402 PASSED BEHIND AN AIRBUS A-300 IN DESCENT FOR LANDING. THE CESSNA 402 ROLLED INVERTED.THE PILOT REGAINED CONTROL AND LANDED WITHOUT FURTHER INCIDENT AT HIS DESTINATION. BOTH ACFT WERE ON INSTRUMENT FLIGHT PLANS, IN INSTRUMENT CONDITIONS, BEING VECTORED FOR APPROACH. CURRENT FAA ATC PROCEDURES DO NOT STIPULATE CRITERIA FOR APPROPRIATE VERTICAL AND HORIZONTAL CLEARANCE WHEN ON OR OTHER ACFT IS NOT EXECUTING THE SAME FLIGHT PROFILE AS THE OTHER.
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: airline transport pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Flight time: 3,767 hours in all; 556 in this make and model; 243 in the last 90 days; 2,319 as pilot in command
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 2,448 hours
- Last inspection: approved inspection programme, May 9, 1983; 15 hours since
- Maximum gross weight: 6,885 lb
- Seats: 10
- Landing gear: retractable
- Engine: Continental TS10520VB (piston); 0 hours total
- Operator: Provincetown Boston Airlines
The flight
- Departed from: HYA Hyannis MA
- Destination: BOS Boston
- Flight plan: IFR
- Runway 4, 10,001 ft by 150 ft
Weather at the time
- Light: night, dark
- Wind: from 050° at 4 knots
- Sky: overcast
- Temperature: 52°F (11°C), dew point 43°F (6°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.