# NTSB LAX87LA110: Cessna 150L, N6797G, Ayase, Japan, February 7, 1987

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: February 7, 1987, 12:46 local (18:46 UTC)
- Place: Ayase, Japan
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report May 9, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 25518
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX87LA110
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25518/pdf
- Page: https://openairdocs.org/ntsb/LAX87LA110

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, takeoff - initial climb
  - weather condition - carburetor icing conditions (contributing factor)
  - carburetor heat - not used, pilot in command (cause)
- Forced landing, descent - uncontrolled
  - remedial action - not performed, pilot in command (contributing factor)
  - stall - uncontrolled, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - open field (contributing factor)

## Analysis

DURING AN INSTRUCTIONAL FLIGHT, JUST AFTER TAKE-OFF THE INSTRUCTOR WAS HEARD TO TRANSMIT OVER THE RADIO 'REQUEST EMERGENCY LANDING.' AT AN ALTITUDE OF APPROXIMATELY 15O FEET AGL THE AIRCRAFT WAS OBSERVED TO PITCH UP THEN NOSED DOWN IN A SHALLOW LEFT TURN. THE AIRCRAFT COLLIDED WITH THE TERRAIN IN A NEAR VERTICAL ATTITUDE. THERE WAS NO MECHANICAL FAILURE OF MALFUNCTION NOTED.

## Aircraft

- Registration: [N6797G](https://openairdocs.org/deregistered/N6797G-1989-03-14), registration cancelled 1989-03-14, S/N 15072297 (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: 1572297
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Atsugi Navy Flying Club
- Registered owner: Atsugi Flying Club
- Airworthiness certificate: Standard, Utility
- Last inspection: 100 hour, January 3, 1987, 17 hours before
- Departed: RJTA, AYASE
- Flight plan: VFR
- Airport: RJTA, Atsugi, runway 10, 8,000 × 150 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; commercial, airline transport, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: right; toxicology performed; flight hours: 4,150 total, 8 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 80° at 3 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 54 °F, dew point 39 °F
- Altimeter: 29.00 inHg
- Observed at: RJTA, 1 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 19870207003319A](https://openairdocs.org/incident/19870207003319A), Feb 7, 1987: Cessna 150L, Ayase, JA, Substantial damage, 2 fatal. The engine failed during takeoff and the aircraft stalled. Suspect carburetor ice caused power loss.

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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