# NTSB LAX86LA340: Great Lakes 2T-1A-2, N10SV, Santa Paula, CA, August 31, 1986

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: August 31, 1986, 14:00 local (21:00 UTC)
- Place: Santa Paula, CA
- Coordinates: 34.39944, -119.069816 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.3994&lon=-119.0698&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 25248
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX86LA340
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25248/pdf
- Page: https://openairdocs.org/ntsb/LAX86LA340

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power, descent - normal
  - reason for occurrence undetermined (cause)
- Forced landing, descent - emergency
  - emergency procedure - attempted, pilot in command (contributing factor)
- In flight collision with terrain/water, descent - emergency
  - terrain condition - mountainous/hilly (contributing factor)

## Analysis

THE BIPLANE CRASHED IN MOUNTAINOUS TERRAIN AFTER A LOSS OF POWER. THE ACFT HAD BEEN DOING AEROBATIC MANEUVERS PRIOR TO THE ENGINE FAILURE. THE PLT INDICATED THAT THE ENGINE QUIT AT 7,500 FT MSL WHILE IN A DESCENT. SHE RELINQUISHED THE FLT CONTROLS TO THE FRONT SEAT CERTIFICATED COMMERCIAL PLT-PASSENGER WHILE SHE ATTEMPTED TO RESTART THE ENGINE. THE ENGINE RESTARTED BUT DID NOT REGAIN ENOUGH POWER TO PREVENT THE ACFT FROM COLLIDING WITH THE TERRAIN. THE FRONT SEAT PILOT WHO WAS CURRENT IN THE ACFT CONTINUED TO FLY UNTIL IMPACT.

## Aircraft

- Registration: [N10SV](https://openairdocs.org/deregistered/N10SV-2003-08-21), registration cancelled 2003-08-21, S/N 0807, built 1978 (OpenAirDocs)
- Reported make and model: GREAT LAKES 2T-1A-2
- Registry model: [Great Lakes 2T-1A-2](https://openairdocs.org/model/great-lakes-2t-1a-2) (registry code 3910101) (OpenAirDocs)
- Registry engine: [Lycoming AEIO-360 series](https://openairdocs.org/engine/lycoming-aeio-360-series) (registry code 41522, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 0807
- Airframe hours: 915
- Engines: LYCOMING AEIO-360-B1G6 180 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Personal, Part 91
- Operator: Channel Island Aviation
- Registered owner: Robert Conger
- Airworthiness certificate: Standard, Aerobatic
- Last inspection: 100 hour, August 19, 1986, 17 hours before
- Departed: CMA, CAMARILLO, CA
- Airport: SZP, Santa Paula

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: rear; flight hours: 276 total, 65 in this make and model, 180 as pilot in command, 8 in the last 90 days, 3 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 260° at 13 knots
- Visibility: 5 statute miles
- Lowest ceiling: none
- Temperature: 70 °F, dew point 61 °F
- Altimeter: 29.00 inHg
- Observed at: OXR, 17 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19860831043219A](https://openairdocs.org/incident/19860831043219A), Aug 31, 1986: Grtlks 2T1A2, Santa Paula, CA, Destroyed. The engine lost power. The aircraft struck trees during the forced landing. Cause undeterminded.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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