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Accidents · NTSB WPR12LA406 · Final report

Aviat Aircraft INC A-1B accident near Durham, California, September 8, 2012

On September 8, 2012 at about 7:15 pm local time, a Aviat Aircraft INC A-1B, registered N395AA, was substantially damaged in an accident during initial climb near Durham, California (Lake airport). It was a personal flight under general aviation rules (Part 91). 2 people had minor injuries. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

A loss of engine power during takeoff initial climb for reasons that could not be determined because postaccident examination of the engine revealed no anomalies that would have precluded normal operation.

Source: NTSB aviation accident database, copy made November 2, 2026. Docket and reports at the NTSB.

What the record shows

Date
September 8, 2012 · about 7:15 pm local time · cases in 2012
Place
Durham, California · Lake · map
Type
Accident
Injuries
2 people had minor injuries.
Weather
visual conditions (good weather)
Aircraft
Aviat Aircraft INC A-1B · all A-1Bs on the register
Registration
N395AA · registry record · serial 2395
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

The commercial pilot reported that, shortly after taking off for the personal flight, he heard a "pop" sound emanate from the engine, followed by a loss of engine power and subsequent loss of lift. The pilot maintained level forward flight until the airplane impacted an orchard. A postimpact fire ensued, and the airplane was partially consumed. The remainder of the airplane and the engine sustained thermal damage. An examination of the airframe and engine revealed no mechanical anomalies that would have precluded normal operation.

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

What happened, in order

  1. Loss of engine power (total) during initial climb defining event
  2. Controlled flight into terrain or object (CFIT) during emergency descent

The NTSB's findings

  • cause Not determined › Not determined › (general) › (general) › Unknown/Not determined

Pilot

  • Certificate: private
  • Ratings: multi-engine land; single-engine land; single-engine sea; instrument: airplane
  • Flight time: 1,325 hours in all; 133 in this make and model; 16 in the last 90 days; 6 in the last 30 days; 1,325 as pilot in command
  • Last flight review: December 20, 2011
  • Medical certificate: Class 3 (with waivers/limitations)
  • Seat: frt
  • Injury: minor injuries

The aircraft

  • Airframe total time: 292 hours
  • Last inspection: annual inspection, January 5, 2012; 43 hours since
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-360-A1P (piston); 335 hours total
  • Fire on the ground

The flight

  • Departed from: PVT Durham CA at 7:15 pm
  • Destination: AUN Auburn CA
  • Flight plan: none
  • Runway 27, 2,100 ft by 200 ft

Weather at the time

  • Light: daylight
  • Wind: from 220° at 5 knots
  • Visibility: 25 statute miles
  • Sky: a few clouds at 5,000 ft
  • Temperature: 82°F (28°C), dew point 52°F (11°C)
  • Altimeter: 29.97 inHg
  • Observation at 6:54 pm from CIC, 6 miles away

Injuries

FatalSeriousMinorNone
Flight crew1
Passengers1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

6 documents, released by the NTSB on April 26, 2016. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.

The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.

Connections how this case links to the rest of the register

Aircraft
Place

The whole map of how records connect · these connections as data: /graph/accident/WPR12LA406.json.

The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.

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 does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.