Piper PA-28R-200 accident near Mammoth Lakes, California, November 8, 1985
On November 8, 1985 at about 11:40 pm local time, a Piper PA-28R-200, registered N3096R, was substantially damaged in an accident near Mammoth Lakes, California (Mammoth-June Lakes airport). It was a personal flight under general aviation rules (Part 91). 2 people were seriously injured. 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
- November 8, 1985 · about 11:40 pm local time
- Place
- Mammoth Lakes, California · Mammoth-June Lakes · map
- Type
- Accident
- Injuries
- 2 people were seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- Piper PA-28R-200 · all PA-28R-200s on the register
- Registration
- N3096R · no longer on the register · serial 2PR-35665
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PLT REPORTED THAT WHEN HE OBSERVED THE ARPT'S WIND SOCK IN PREPARATION FOR DEPARTURE THE WIND WAS BLOWING DOWN THE RWY WITH OCCASIONAL GUSTS THAT DID NOT SEEM OVER 20 KTS. AFTER TAKING OFF & CLIMBING TO ABT 100 FT AGL, THE ACFT ENCOUNTERED TURBULENCE LIKELY ASSOCIATED WITH A MOUNTAIN WAVE CONDITION. THE PLT STATED & A GROUND- BASED WITNESS REPORTED THAT THE ACFT RAPIDLY ROLLED 90 DEG. RT & DESCENDED. JUST BEFORE COLLIDING WITH TERRAIN THE ACFT'S WINGS WERE LEVELED. NO MECHANICAL FAILURES OR MALFUNCTIONS WERE REPORTED BY THE PLT. 30 MIN AFTER THE CRASH THE ARPT'S SPECIAL WX OBSERVATION LISTED THE PRESENCE OF STANDING LENTICULAR ALTOCUMULUS CLDS IN ALL QUADRANTS, & THE SURFACE WINDS WERE 15 KTS GUSTING TO 25 KTS.
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; instrument: airplane
- Flight time: 2,081 hours in all; 970 in this make and model; 31 in the last 90 days; 9 in the last 30 days; 1,960 as pilot in command
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 4,150 hours
- Last inspection: annual inspection, August 28, 1985; 30 hours since
- Maximum gross weight: 2,600 lb
- Seats: 4
- Landing gear: retractable
- Engine: Lycoming IO-360-CIC (piston); 0 hours total
The flight
- Departed from: MMH Mammoth Lakes CA at 11:40 pm
- Destination: CCB Upland CA
- Flight plan: none
- Runway 27, 7,000 ft by 100 ft
- A second pilot was aboard
Weather at the time
- Light: daylight
- Wind: from 230° at 15 knots, gusting 25
- Visibility: 40 statute miles
- Sky: scat at 10,000 ft
- Temperature: 39°F (4°C), dew point 0°F (-18°C)
- Altimeter: 29.00 inHg
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.