# NTSB SEA83LA169: Cessna 150J, N60754, Grants Pass, OR, August 7, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 7, 1983, 07:40 local (14:40 UTC)
- Place: Grants Pass, OR
- Coordinates: 42.52967, -123.339622 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.5297&lon=-123.3396&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39747
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA83LA169
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39747/pdf
- Page: https://openairdocs.org/ntsb/SEA83LA169

## 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, takeoff - initial climb
  - engine assembly,valve,intake - worn (cause)
  - engine assembly,valve,intake - failure,total (cause)
  - engine assembly,piston - disintegrated (cause)
- Forced landing, landing - flare/touchdown
  - aborted takeoff - performed, pilot in command(cfi) (contributing factor)
  - distance - inadequate, pilot in command(cfi) (contributing factor)
- Nose over, landing - roll
  - terrain condition - dirt bank/rising embankment (contributing factor)

## Analysis

THE ACFT RAN OFF THE DEPARTURE END OF THE RWY DURING A FORCED LANDING FOLLOWING ENGINE FAILURE DURING A TOUCH AND GO LANDING. THE NOSEWHEEL STRUCK A MOUND OF DIRT AND THE ACFT NOSED OVER. THE ACFT HAD REACHED 40 FT AGL AND 70 MPH WHEN THE ENGINE LOST POWER FIRST BY RUNNING ROUGH AND THEN FAILING COMPLETELY. ENGINE TEARDOWN REVEALED THAT THE #1 CYLINDER EXHAUST VALVE STEM BROKE. A WORN VALVE STEM KEEPER SLEEVE ALLOWED THE VALVE AND STEM TO SLIDE INTO THE CYLINDER DURING AHIGH POWER APPLICATION. THE PISTON DISINTEGRATED WHEN THE VALVE WAS SWALLOWED. THE CFI TOOK OVER AND LANDED THE ACFT BUTWAS UNABLE TO STOP ON THE REMAINING RWY.

## Aircraft

- Registration: [N60754](https://openairdocs.org/deregistered/N60754-2017-09-18), registration cancelled 2017-09-18, S/N 15070549, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA 150J
- Registry model: [Cessna 150J](https://openairdocs.org/model/cessna-150j) (registry code 2071820) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15070549
- Airframe hours: 5445
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Jeremy D. Scott
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, August 15, 1982, 59 hours before
- Airport: 3S8, Josephine Cnty, runway 30, 4,000 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; airline transport, flight instructor; airplane ratings: single-engine sea, single-engine land, multi-engine land; instrument ratings: helicopter, airplane; medical: class 2, valid medical--w/ waivers/lim; seat: right; flight hours: 16,450 total, 540 in this make and model, 16,000 as pilot in command, 54 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 40° at 4 knots
- Visibility: 20 statute miles
- Lowest ceiling: 20,000 ft overcast
- Temperature: 66 °F, dew point 55 °F
- Altimeter: 29.00 inHg
- Observed at: MFR, 27 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 19830807042379A](https://openairdocs.org/incident/19830807042379A), Aug 7, 1983: Cessna 150J, Grants Pass, OR, Substantial damage. Crash occurred during emergency landing after engine failed immediately after takeoff.

## Other investigations on N60754 (1)

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.

- [NTSB SEA92LA080](https://openairdocs.org/ntsb/SEA92LA080), Apr 21, 1992: Cessna 150J (N60754), Sunriver, OR, substantial damage. Probable cause: THE PILOT DID NOT ACCURATELY CALCULATE FUEL CONSUMPTION. A FACTOR TO THE ACCIDENT WAS: FUEL EXHAUSTION.

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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