The U.S. aircraft register, updated daily
Accidents · NTSB LAX88LA010 · Preliminary: the investigation is not finished

Piper PA-18-150 accident near San Jose, California, October 9, 1987

On October 9, 1987 at about 9:45 pm local time, a Piper PA-18-150, registered N4085E, was substantially damaged in an accident near San Jose, California (Reid Hillview airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was 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
October 9, 1987 · about 9:45 pm local time
Place
San Jose, California · Reid Hillview · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA-18-150 · all PA-18-150s on the register
Registration
N4085E · registry record · serial 187809059
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE PILOT STATED THAT DURING THE LANDING ROLL HE WAS DISTRACTED AND LOOKED DOWNWARD. HE SAID THAT WHEN HE LOOKED BACK UP THE GROUND LOOP HAD STARTED AND IT WAS TOO LATE TO CORRECT IT. HE DID NOT REPORT ANY MECHANICAL PROBLEMS PRIOR TO THE ACCIDENT.

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; instrument: airplane
  • Flight time: 335 hours in all; 204 in this make and model; 80 in the last 90 days; 10 in the last 30 days; 267 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: frt

The aircraft

  • Airframe total time: 572 hours
  • Last inspection: annual inspection, February 23, 1987; 111 hours since
  • Maximum gross weight: 1,625 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-320-A2A (piston); 0 hours total

The flight

  • Departed from: RHV at 9:30 pm
  • Destination: RHV
  • Flight plan: none
  • Runway 31L, 3,099 ft by 75 ft

Weather at the time

  • Light: daylight
  • Wind: from 040° at 7 knots
  • Visibility: 7 statute miles
  • Sky: scat at 20,000 ft
  • Temperature: 66°F (19°C), dew point 52°F (11°C)
  • Altimeter: 29.00 inHg
  • Observation at 9:50 pm from RHV

Injuries

FatalSeriousMinorNone
Crew1

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.