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Accidents · NTSB NYC86LA165 · Preliminary: the investigation is not finished

Cessna 150E accident near Hammondsport, New York, June 29, 1986

On June 29, 1986 at about 4:10 pm local time, a Cessna 150E, registered N4067U, was substantially damaged in an accident near Hammondsport, New York (Pleasant Valley 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
June 29, 1986 · about 4:10 pm local time
Place
Hammondsport, New York · Pleasant Valley · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Cessna 150E · all 150Es on the register
Registration
N4067U · registry record · serial 15061467
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

WHILE ON FINAL APCH OVER HIGH TERRAIN EAST OF THE ARPT, THE PLT INADVERTENTLY PULLED THE MIXTURE CONTROL WHEN HE INTENDED TO APPLY CARBURETOR HEAT. THE ENG STOPPED RUNNING & THE PLT WAS UNABLE TO OBTAIN A RESTART BEFORE THE ACFT COLLIDED WITH TREES. THE ACFT CAME TO REST WITH THE WINGS WEDGED IN THE TREES, SUSPENDED JUST ABOVE THE GROUND.

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: 144 hours in all; 144 in this make and model; 4 in the last 90 days; 95 as pilot in command
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 1,033 hours
  • Last inspection: annual inspection, May 14, 1986
  • Maximum gross weight: 1,600 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Continental O-200-A (piston); 0 hours total

The flight

  • Departed from: 7GO Brockport NY at 3:05 pm
  • Flight plan: none
  • Runway 24, 1,800 ft

Weather at the time

  • Light: daylight
  • Wind: from 260° at 20 knots
  • Visibility: 20 statute miles
  • Sky: scat at 4,500 ft
  • Temperature: 75°F (24°C), dew point 0°F (-18°C)
  • Altimeter: 30.00 inHg
  • Observation at 12:00 pm

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.

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.