# NTSB SEA87LA083: Cessna 150L, N21922, Twin Falls, ID, April 22, 1987

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: April 22, 1987, 09:12 local (15:12 UTC)
- Place: Twin Falls, ID
- Coordinates: 42.410789, -114.589363 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.4108&lon=-114.5894&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report July 5, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40615
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA87LA083
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40615/pdf
- Page: https://openairdocs.org/ntsb/SEA87LA083

## Sequence of events

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

- Loss of engine power, descent
  - reason for occurrence undetermined (cause)
- In flight collision with object, descent
  - object - utility pole(marked) (contributing factor)
- Loss of control - in flight, landing
- In flight collision with terrain/water, landing

## Analysis

DURING DESCENT FROM CRUISE FOR LANDING THE ENGINE MOMENTARILY RAN ROUGH AND THEN QUIT. THE PILOT ATTEMPTED TO LAND ONTO A ROAD BUT STRUCK A TELEPHONE POLE IN FLIGHT. THE AIRCRAFT THEN DESCENDED ONTO THE GROUND NOSE FIRST. NO REASON FOR THE ENGINE FAILURE COULD BE DETERMINED BY AN A & P MECHANIC.

## Aircraft

- Registration: [N21922](https://openairdocs.org/deregistered/N21922-1989-03-21), registration cancelled 1989-03-21, S/N 15074539 (OpenAirDocs)
- Reported make and model: CESSNA 150L
- Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs)
- Category: Airplane
- Serial number: 15074539
- Engines: CONTINENTAL O-200 100 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Operator: Clifford Mitchell
- Registered owner: Clifford Mitchell
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Departed: 06U, JACKPOT, NV
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 24; student; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 178 total, 33 in this make and model, 28 as pilot in command, 6 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 57 °F

## 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 19870422010759A](https://openairdocs.org/incident/19870422010759A), Apr 22, 1987: Cessna STC150, Twin Falls, ID, Destroyed. The aircraft struck telephone poles during an emergency landing after the engine failed. Carburetor ice

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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