Cessna 210K accident near Novato, California, July 5, 2006
On July 5, 2006 at about 6:00 pm local time, a Cessna 210K, registered N12PF, was substantially damaged in an accident near Novato, California (Gnoss Field). 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).
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The NTSB's probable cause their words, unchanged
The failure of the left main landing gear to extend for undetermined reasons.
Source: NTSB aviation accident database, copy made October 4, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 5, 2006 · about 6:00 pm local time
- Place
- Novato, California · Gnoss Field · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 210K · all 210Ks on the register
- Registration
- N12PF · registry record · serial 210-59940
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The pilot said that while on the downwind to land on runway 13 she and her passenger remembered hearing the gear extending, and she confirmed the landing gear down and locked indicator light was illuminated. After touchdown the airplane veered to the left off the runway and came to rest in a ditch. A witness to the accident said that he saw the airplane on final approach and the left landing gear was not in the locked position and was trailing below the airplane. During the recovery process it was noted that both the nose gear and the right main gear were in the extended and locked position. The left main gear was in the wheel well and was manually pulled out of the wheel well and locked into the down position.
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: flight instructor, commercial pilot
- Ratings: single-engine land; instructor: airplane single-engine; instrument: airplane
- Flight time: 4,942 hours in all; 2,333 in this make and model; 47 in the last 90 days; 22 in the last 30 days; 4,718 as pilot in command; 539 on instruments
- Last flight review: June 1, 2006
- Medical certificate: Class 2 (with waivers/limitations)
- Seat: left
- Injury: no injuries
The aircraft
- Airframe total time: 4,183 hours
- Last inspection: annual inspection, November 1, 2005; 57 hours since
- Maximum gross weight: 3,800 lb
- Seats: 6
- Landing gear: retractable
- Engine: Continental IO-520L (piston); 0 hours total
The flight
- Departed from: SQL San Carlos CA at 5:20 pm
- Destination: O56 Novato CA
- Flight plan: none
- Runway 13, 3,300 ft by 75 ft
Weather at the time
- Light: daylight
- Wind: from 120° at 6 knots
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 70°F (21°C), dew point 55°F (13°C)
- Altimeter: 30.02 inHg
- Observation at 6:26 pm from DVO
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.
About this page
Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The documents and photographs are the NTSB's docket, the folder of records gathered during the investigation, shown as the NTSB released them (the NTSB redacts some personal details first) and listed under the NTSB's own titles. This site's own text never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number LAX06LA225.