# NTSB ANC84LA077: Piper PA-12, N7663H, Wasilla, AK, May 27, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 26, 1984, 18:30 local (May 27, 1984, 02:30 UTC)
- Place: Wasilla, AK
- Location: 61.5785° N, 149.4763° W: Placed by OpenAirDocs: center of Wasilla, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.5785&lon=-149.4763&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4293
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA077
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4293/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA077

## Sequence of events

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

- Loss of engine power(partial) - nonmechanical, cruise - normal
  - fuel system,carburetor - ice (contributing factor)
  - carburetor heat - improper use of, pilot in command (cause)
  - weather condition - carburetor icing conditions (contributing factor)
  - checklist - not followed, pilot in command (cause)
- Forced landing, landing - flare/touchdown
- Nose over, landing - roll

## Analysis

THE ACFT NOSED OVER DURING A FORCED LANDING AFTER THE ENGINE LOST POWER. THE PLT SAID THAT THE ENGINE FAILED DUE TO CARBURETOR ICING. EXAMINATION OF THE ENG REVEALED NO MECHANICAL FAILURE OR MALFUNCTION.

## Aircraft

- Registration: [N7663H](https://openairdocs.org/aircraft/N7663H), registered now, S/N 12-543, built 1946 (OpenAirDocs)
- Reported make and model: PIPER PA-12
- Registry model: [Piper PA-12](https://openairdocs.org/model/piper-pa-12) (registry code 7101202) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 12543
- Airframe hours: 1900
- Engines: LYCOMING O-235-C1 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Thomas P Uher
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 23, 1984, 10 hours before
- Departed: Z16, WASILLA, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 24; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 120 total, 120 in this make and model, 100 as pilot in command, 3 in the last 90 days, 1 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 55 °F, dew point 18 °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 19840526023139A](https://openairdocs.org/incident/19840526023139A), May 26, 1984: Piper PA12, Wasilla, AK, Substantial damage. Crash landed on a road after engine quit due to carburetor icing.

## Other investigations on N7663H (2)

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 ANC06CA110](https://openairdocs.org/ntsb/ANC06CA110), Aug 10, 2006: Piper PA-12 (N7663H), Coldfoot, AK, substantial damage. Probable cause: The pilot's selection of an unsuitable landing area, which resulted in an in-flight collision with terrain during an aborted landing. Factors associated with the accident were wind gusts, and rough…
- [NTSB ANC79FA080](https://openairdocs.org/ntsb/ANC79FA080), Aug 12, 1979: Piper PA-12 (N7663H), Lake Creek, AK, minor damage

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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