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Accidents · NTSB WPR10LA259 · Final report

Socata TB-20 accident near Happy Camp, California, May 22, 2010

On May 22, 2010 at about 8:30 pm local time, a Socata TB-20, registered N3041Y, was substantially damaged in an accident during enroute (cruise) near Happy Camp, California (Happy Camp Airport). It was a personal flight under general aviation rules (Part 91). 1 person was killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The pilot’s inadequate preflight planning and decision to continue to operate under visual flight rules into instrument meteorological conditions, which resulted in an encounter with an embedded thunderstorm and rain showers and moderate to severe turbulence, which ultimately resulted in the loss of airplane control.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
May 22, 2010 · about 8:30 pm local time
Place
Happy Camp, California · Happy Camp Airport · map
Type
Accident
Injuries
1 person was killed.
Weather
visual conditions (good weather)
Aircraft
Socata TB-20 · all TB-20s on the register
Registration
N3041Y · no longer on the register · serial 1507
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

The non-instrument-rated pilot advised an air traffic controller that he was having trouble descending through clouds. At that point, the controller lost radio and radar contact with the pilot and airplane, respectively. Shortly thereafter, emergency services began receiving telephone calls regarding a possible airplane crash. A law enforcement helicopter could not respond due to the foggy and rainy weather conditions. The wreckage was located later that evening in a forested area. Satellite imagery around the accident time showed the development of an area of convection immediately over the accident site consistent with low topped thunderstorms, which were embedded within a low cloud cover. The accident airplane encountered instrument meteorological conditions when it was lost from radar contact. The flight likely also encountered heavy rain and moderate to severe turbulence associated with the embedded thunderstorms.

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. VFR encounter with IMC during enroute (cruise) defining event
  2. Turbulence encounter during enroute (cruise)
  3. Windshear or thunderstorm during enroute (cruise)
  4. Loss of control in flight during enroute (cruise)

The NTSB's findings

  • cause Aircraft › Aircraft oper/perf/capability › Performance/control parameters › (general) › Not attained/maintained
  • cause Personnel issues › Task performance › Planning/preparation › Weather planning › Pilot
  • cause Personnel issues › Action/decision › Action › Incorrect action selection › Pilot
  • Environmental issues › Conditions/weather/phenomena › Turbulence › Convective turbulence › Contributed to outcome
  • Environmental issues › Conditions/weather/phenomena › Convective weather › Thunderstorm › Contributed to outcome
  • Environmental issues › Conditions/weather/phenomena › Ceiling/visibility/precip › Rain › Contributed to outcome
  • cause Personnel issues › Action/decision › Info processing/decision › Decision making/judgment › Pilot

Pilot

  • Certificate: private
  • Ratings: single-engine land
  • Flight time: 1,900 hours in all
  • Medical certificate: Class 3 (with waivers/limitations)
  • Seat: unk
  • Injury: fatal

The aircraft

  • Maximum gross weight: 3,083 lb
  • Seats: 5
  • Landing gear: retractable
  • Engine: Lycoming IO-540-C4D5D (piston); 0 hours total

The flight

  • Departed from: PSP Palm Springs CA
  • Destination: MFR Medford OR
  • Flight plan: none

Weather at the time

  • Light: daylight
  • Wind: from 290° at 4 knots
  • Visibility: 10 statute miles
  • Sky: scat at 3,400 ft
  • Temperature: 52°F (11°C), dew point 34°F (1°C)
  • Altimeter: 29.98 inHg
  • Observation at 7:53 pm from MFR, 45 miles away

Injuries

FatalSeriousMinorNone
Flight crew1

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.

Other NTSB records under N3041Y the same tail number, which may have belonged to a different aircraft at the time

1987-12-19NYC88LA058 · accident near Hammonton, NJ · destroyed · no injuries

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.