# NTSB LAX87LA188: Cessna TU206B, N3835G, Temecula, CA, April 22, 1987

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: April 22, 1987, 13:30 local (20:30 UTC)
- Place: Temecula, CA
- Location: 33.4936° N, 117.1484° W: Placed by OpenAirDocs: center of Temecula, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.4936&lon=-117.1484&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report May 27, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 25575
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX87LA188
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25575/pdf
- Page: https://openairdocs.org/ntsb/LAX87LA188

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, descent - normal
  - engine assembly,crankshaft - fatigue (cause)
- Forced landing, descent - emergency
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - rough/uneven (contributing factor)
- Nose over, landing - roll

## Analysis

DURING AN AERIAL SURVEY FLIGHT, WHILE ON FINAL APPROACH TO THE ARPT, THE ENGINE BEGAN RUNNING ROUGH THEN QUIT. THE PLT WAS UNABLE TO LAND THE ACFT AT THE ARPT, THEREFORE, A NEARBY DIRT ROAD WAS SELECTED. DURING THE LANDING ROLL THE ACFT COLLIDED WITH THE TERRAIN AND NOSED OVER. EXAMINATION OF THE ENGINE REVEALED THAT THE CRANKSHAFT HAD FAILED FROM HIGH CYLE FATIGUE LOADING WHICH STARTED ON THE OUTSIDE OF ONE OF THE JOURNALS.

## Aircraft

- Registration: [N3835G](https://openairdocs.org/deregistered/N3835G-2005-01-24), registration cancelled 2005-01-24, S/N U2060835 (OpenAirDocs)
- Reported make and model: CESSNA TU206B
- Registry model: [Cessna TU206B](https://openairdocs.org/model/cessna-tu206b) (registry code 2073324) (OpenAirDocs)
- Category: Airplane
- Serial number: U206-0835
- Airframe hours: 6178
- Engines: CONTINENTAL TSIO-520-C 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Operator: American Arial Services
- Registered owner: American Aerial Services Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 5, 1987, 30 hours before
- Departed: CCB, UPLAND, CA
- Destination: 2L0, TEMECULA, CA
- Airport: 2LO, Temecula, runway 12, 3,023 × 60 ft, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 7,366 total, 6,978 in this make and model, 7,171 as pilot in command, 104 in the last 90 days, 46 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 40° at 5 knots
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 93 °F, dew point 30 °F
- Altimeter: 29.00 inHg
- Observed at: RAL, 15 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 19870422010789A](https://openairdocs.org/incident/19870422010789A), Apr 22, 1987: Cessna TU206B, Temecula, CA, Substantial damage. The engine failed on final. The aircraft nosed over on landing. The crankshaft failed from high cycle fatigue.

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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