Piper PA-18-150 accident near Brentwood, California, June 6, 1985
On June 6, 1985 at about 2:45 pm local time, a Piper PA-18-150, registered N6995B, was substantially damaged in an accident near Brentwood, California (Discovery Bay 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
- June 6, 1985 · about 2:45 pm local time
- Place
- Brentwood, California · Discovery Bay · 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
- N6995B · registry record · serial 185123
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
ON THE STUDENT PLTS SEVENTH ATTEMPTED LANDING, DIRECTIONAL CONTROL WAS LOST AND A GROUNDLOOP OCCURRED. THE STUDENT PLT HAD LESS THAN TWO HOURS OF TOTAL PILOT IN COMMAND TIME.
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: student
- Ratings: single-engine land
- Flight time: 20 hours in all; 20 in this make and model; 20 in the last 90 days; 2 as pilot in command
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Last inspection: annual inspection, December 24, 1984
- Maximum gross weight: 2,000 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-320-A2A (piston); 0 hours total
The flight
- Departed from: 012 Antioch CA at 2:00 pm
- Destination: NONE Brentwood CA
- Flight plan: none
- Runway 18, 3,000 ft
Weather at the time
- Light: daylight
- Visibility: 50 statute miles
- Sky: clear
- Temperature: 81°F (27°C), dew point 0°F (-18°C)
- Observation at 7:45 am
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 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.