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Accidents · NTSB BFO92LA119 · Final report

Cessna 150F accident near Norfolk, Massachusetts, July 30, 1992

On July 30, 1992 at about 1:30 pm local time, a Cessna 150F, registered N1073P, was substantially damaged in an accident near Norfolk, Massachusetts (Norfolk 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 LOSS OF COMPRESSION IN THE NO. 4 CYLINDER DUE TO A VALVE STUCK IN THE OPEN POSITION, WHICH RESULTED IN THE LOSS OF ENGINE POWER.

Source: NTSB aviation accident database, copy made November 2, 2026. Docket and reports at the NTSB.

What the record shows

Date
July 30, 1992 · about 1:30 pm local time · cases in 1992
Place
Norfolk, Massachusetts · Norfolk · cases near this airport
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Cessna 150F · all 150Fs on the register
Registration
N1073P · registry record · serial 15074988
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

THE PILOT WAS TAKING OFF ON RUNWAY 36 WHEN THE ENGINE LOST POWER AT ABOUT 400 FEET ABOVE THE GROUND. THE PILOT STATED THAT HE LOWERED THE NOSE AND MADE A TURN TO LAND ON RUNWAY 18, BUT THE AIRPLANE VEERED OFF 150 FEET TO THE RIGHT OF THE RUNWAY INTO A PLOWED FIELD AND NOSED OVER. EXAMINATION OF THE AIRPLANE BY THE FAA REVEALED THE NUMBER FOUR EXHAUST VALVE FAILED IN THE OPEN POSIITON, AND THE NUMBER THREE EXHAUST VALVE WAS LEAKING DUE TO A WORN SEAT.

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: 169 hours in all; 110 in this make and model; 50 in the last 90 days; 10 in the last 30 days
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 2,752 hours
  • Last inspection: annual inspection, July 3, 1992; 147 hours since
  • Maximum gross weight: 1,620 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Continental O-200-A (piston); 0 hours total
  • Operator: Aviation East INC.

The flight

  • Departed from: MA07 at 1:28 pm
  • Flight plan: none
  • Runway 36, 2,700 ft by 40 ft

Weather at the time

  • Light: daylight
  • Visibility: 20 statute miles
  • Sky: clear
  • Temperature: 73°F (23°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

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.

Connections how this case links to the rest of the register

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The whole map of how records connect · these connections as data: /graph/accident/BFO92LA119.json.

The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.

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 does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.