Amateur-built 1 accident near Pacifica, California, August 3, 1992
On August 3, 1992 at about 1:00 am local time, a amateur-built 1, registered N4625T, was destroyed in an accident near Pacifica, California. It was a personal flight under general aviation rules (Part 91). 2 people were killed. The weather was instrument conditions (cloud, fog or low visibility).
The NTSB's probable cause their words, unchanged
THE PILOT'S DECISION TO ATTEMPT VISUAL FLIGHT IN INSTRUMENT METEOROLOGICAL CONDITIONS.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 3, 1992 · about 1:00 am local time
- Place
- Pacifica, California · map
- Type
- Accident
- Injuries
- 2 people were killed.
- Weather
- instrument conditions (cloud, fog or low visibility)
- Aircraft
- Amateur-built 1
- Registration
- N4625T · no longer on the register · serial 1
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT AND HIS PASSENGER DEPARTED ON A CROSS COUNTRY FLIGHT AFTER AN INTERMEDIATE RE-FUELING STOP. THEY REPORTEDLY INTENDED TO DO SOME SIGHTSEEING EN ROUTE. DURING THEIR FLIGHT THEY ENCOUNTERED INSTRUMENT METEOROLOGICAL CONDITIONS AND COLLIDED WITH HILLY/MOUNTAINOUS TERRAIN. WITNESSES LOCATED ABOUT 300 YARDS FROM THE ACCIDENT SITE REPORTED THE TERRAIN IN THE VICINITY OF THE ACCIDENT WAS OBSCURED BY GROUND FOG. THEY SAID THEY COULD HEAR THE AIRPLANE, BUT COULD NOT SEE IT DUE TO WEATHER CONDITIONS. AN FAA AIRWORTHINESS INSPECTOR EXAMINED THE AIRPLANE AND ENGINE AT THE ACCIDENT LOCATION. HE NOTED THAT THE AIRPLANE'S WOODEN PROPELLER SHATTERED ON IMPACT AND DETERMINED THE ENGINE WAS PRODUCING POWER.
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: commercial pilot, private
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Flight time: 1,280 hours in all
- Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
- Seat: unk
The aircraft
- Last inspection: inspection type not recorded, January 2, 2000
- Maximum gross weight: 900 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-290 (piston); 0 hours total
- Fire on the ground
The flight
- Departed from: O01 Santa Rosa CA at 11:00 pm
- Destination: PAO Palo Alto CA
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Sky: not recorded
- Temperature: 50°F (10°C), dew point 0°F (-18°C)
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.
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.
