# NTSB ANC84FA038: Cessna 150L, N10719, Talkeetna, AK, February 28, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Field investigation · Final report
- Date: February 28, 1984, 15:45 local (19:45 UTC)
- Place: Talkeetna, AK
- Coordinates: 62.450706, -149.789505 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=62.4507&lon=-149.7895&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4191
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84FA038
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4191/pdf
- Page: https://openairdocs.org/ntsb/ANC84FA038

## 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, approach - vfr pattern - downwind
  - maintenance,100-hour inspection - exceeded, company/operator management (cause)
  - exhaust system,manifold/pipe - corroded (cause)
  - maintenance - inadequate (cause)
  - ignition system,ignition lead - burned (cause)
- Forced landing, landing
- In flight collision with object, landing
  - object - tree(s) (contributing factor)
  - clearance - not maintained, pilot in command (cause)
  - diverted attention, pilot in command (contributing factor)
- In flight collision with terrain/water, landing

## Analysis

ON DOWNWIND FOR A TOUCH AND GO, THE STUDENT PILOT NOTICED A STRANGE ENGINE NOISE. SHE ELECTED TO DO ANOTHER TOUCH & GO, & DURING A TURN FROM CROSSWIND TO DOWNWIND, A TOTAL LOSS OF POWER OCCURRED. A FORCED LANDING WAS ATTEMPTED ONTO A ROAD. CHILDREN WERE CROSSING THE ROAD AND DISTRACTED THE PILOT. THE RIGHT WING STRUCK A TREE AND THE AIRCRAFT THEN STRUCK THE GROUND INVERTED. AN EXAM REVEALED THAT THE MUFFLER TUBE HAD CORRODED ENOUGH TO DISPLACE THE END OF THE TUBE AGAINST THE FIREWALL ALLOWING HOT GASES TO ESCAPE. THE GASES BURNED THE WIRE BUNDLE CONTAINING PRIMARY MAGNETO LEADS TO BOTH MAGNETOS AND THE LANDING LIGHT. THE ACFT WAS 37 HOURS OVER DUE FOR A 100 HOUR INSPECTION.

## Aircraft

- Registration: N10719 (not matched to a registry record)
- Reported make and model: CESSNA 150L
- Category: Airplane
- Serial number: 15074985
- Airframe hours: 3628
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Substantial damage
- Fire: On-Ground
- Flight: Instructional, Part 91
- Registered owner: Talkeetna Flying Club
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, August 15, 1983, 1,365 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; student; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 35 total, 35 in this make and model, 10 as pilot in command, 6 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 20° at 15 knots
- Visibility: 60 statute miles
- Lowest ceiling: 15,000 ft broken
- Temperature: 36 °F, dew point 21 °F
- Altimeter: 29.00 inHg

## 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 19840228005959A](https://openairdocs.org/incident/19840228005959A), Feb 28, 1984: Cessna 150L, Talkeetna, AK, Substantial damage. Engine quit in pattern. Struck a tree landing on a road. End of muffler tube came loose. Exhaust shorted mag wires.

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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