# NTSB ANC91LA029: Cessna 150, N6446K, Palmer, AK, February 13, 1991

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 13, 1991, 16:30 local (20:30 UTC)
- Place: Palmer, AK
- Coordinates: 61.620941, -148.979171 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.6209&lon=-148.9792&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 7, 1993
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5520
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC91LA029
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5520/pdf
- Page: https://openairdocs.org/ntsb/ANC91LA029

## Probable cause

THE PILOT-IN-COMMAND'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL.

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - directional control - not maintained, pilot in command (cause)
- Nose over, landing - roll
  - terrain condition - snowbank

## Analysis

AFTER TOUCHDOWN ON THE RUNWAY, THE STUDENT PILOT LOST DIRECTIONAL CONTROL OF THE AIRPLANE.  THE AIRPLANE EXITED THE LEFT SIDE OF THE RUNWAY, STRUCK A SNOWBANK, AND NOSED OVER ON ITS BACK.

## Aircraft

- Registration: [N6446K](https://openairdocs.org/deregistered/N6446K-2012-02-24), registration cancelled 2012-02-24, S/N 15077707, built 1975 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150M](https://openairdocs.org/model/cessna-150m) (registry code 2071830) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15077707
- Engines: CONTINENTAL O-200 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Nugget Aviation
- Registered owner: Nugget Aviation
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, January 2, 2000
- Airport: PAQ, Palmer, runway 33, 6,000 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 52; student; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 43 total, 43 in this make and model, 2 as pilot in command, 11 in the last 90 days, 4 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 40 statute miles
- Lowest ceiling: 1,500 ft broken
- Temperature: 30 °F, dew point 21 °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 19910213002399A](https://openairdocs.org/incident/19910213002399A), Feb 13, 1991: Cessna 150M, Palmer, AK, Substantial damage. Lost control on landing roll. Veered off runway into a snowbank and nosed over.

## Other investigations on N6446K (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 ANC00LA045](https://openairdocs.org/ntsb/ANC00LA045), Apr 14, 2000: Cessna 150M (N6446K), Chickaloon, AK, substantial damage. Probable cause: The pilot's selection of an unsuitable landing area. Factors associated with the accident were an open service door, and snow-covered terrain.
- [NTSB ANC83FA134](https://openairdocs.org/ntsb/ANC83FA134), Jul 29, 1983: Cessna 150 (N6446K), 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.