Cessna T310R accident near Groveland, California, April 9, 1993
On April 9, 1993 at about 9:16 pm local time, a Cessna T310R, registered N3532G, was substantially damaged in an accident near Groveland, California (Pine Mountain Lake 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
FAILURE OF THE PILOT TO FOLLOW THE AIRPLANE'S CHECKLIST WHICH RESULTED IN AN INADVERTENT GEAR UP LANDING.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- April 9, 1993 · about 9:16 pm local time
- Place
- Groveland, California · Pine Mountain Lake · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna T310R · all T310Rs on the register
- Registration
- N3532G · no longer on the register · serial 0863
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
A CESSNA T310R LANDED GEAR UP ON THE RUNWAY. THE PILOT ENTERED THE AIRPORT TRAFFIC PATTERN MIDWAY ON THE DOWNWIND LEG AND FORGOT TO EXTEND THE LANDING GEAR. THE PILOT DID NOT RECALL HEARING THE AIRPLANE'S GEAR WARNING HORN. AS THE AIRPLANE PROPELLERS STRUCK THE GROUND, THE PILOT ATTEMPTED TO GO AROUND BUT WITHOUT SUCCESS. THE PILOT REPORTED THAT THE AIRPLANE DID NOT EXPERIENCE ANY MECHANICAL FAILURES OR MALFUNCTIONS WITH THE AIRPLANE BEFORE 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: multi-engine land; single-engine land; instrument: airplane
- Flight time: 2,861 hours in all; 1,338 in this make and model; 37 in the last 90 days; 14 in the last 30 days; 2,791 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 1,915 hours
- Last inspection: annual inspection, June 5, 1992; 93 hours since
- Maximum gross weight: 5,500 lb
- Seats: 6
- Landing gear: retractable
- Engine: Continental TSIO-520B (piston); 0 hours total
The flight
- Departed from: O45 Vacaville CA at 9:00 pm
- Flight plan: none
- Runway 27, 3,625 ft by 50 ft
Weather at the time
- Light: daylight
- Wind: from 270° at 16 knots
- Visibility: 20 statute miles
- Sky: broken clouds at 20,000 ft; scat at 2,000 ft
- Temperature: 66°F (19°C), dew point 41°F (5°C)
- Altimeter: 30.00 inHg
- Observation at 8:47 pm from SCK, 50 miles away
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.