# NTSB ANC90LA016: Cessna 180, N9418C, Alexander Lake, AK, December 8, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 8, 1989, 14:00 local (18:00 UTC)
- Place: Alexander Lake, AK
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 5, 1991
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5326
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC90LA016
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5326/pdf
- Page: https://openairdocs.org/ntsb/ANC90LA016

## Probable cause

SELECTION OF UNSUITABLE TERRAIN BY THE PILOT.  THE SNOW COVERED TERRAIN WAS A RELATED FACTOR.

## Sequence of events

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

- Nose over, landing
  - terrain condition - snow covered (contributing factor)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)

## Aircraft

- Registration: [N9418C](https://openairdocs.org/aircraft/N9418C), registered now, S/N 31816, built 1955 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180](https://openairdocs.org/model/cessna-180) (registry code 2072602) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 31816
- Engines: Continental O-470 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Unknown
- Departed: ANC, ANCHORAGE, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 56; commercial; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; flight hours: 2,600 total, 840 in this make and model, 2,500 as pilot in command, 12 in the last 90 days, 8 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 60 statute miles
- Lowest ceiling: 14,000 ft broken
- Temperature: 16 °F, dew point -0 °F
- Altimeter: 30.00 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 19891208050249A](https://openairdocs.org/incident/19891208050249A), Dec 8, 1989: Cessna 180, Skwentna, AK, Substantial damage. Nosed over landing on a snow covered runway.

## Other investigations on N9418C (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 ANC86FA126](https://openairdocs.org/ntsb/ANC86FA126), Aug 16, 1986: Cessna 180 (N9418C), Anchorage, AK, substantial 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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