# NTSB ANC90LA064: Cessna 180C, N9339T, Anchorage, AK, May 4, 1990

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 3, 1990, 20:03 local (May 4, 1990, 04:03 UTC)
- Place: Anchorage, AK
- Coordinates: 61.179019, -149.879882 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.1790&lon=-149.8799&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 5, 1993
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5359
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC90LA064
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5359/pdf
- Page: https://openairdocs.org/ntsb/ANC90LA064

## Probable cause

THE PILOT FAILED TO MAINTAIN DIRECTIONAL CONTROL OF THE AIRPLANE.

## 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)
- On ground/water encounter with terrain/water, landing - roll

## Analysis

DURING A LANDING, THE AIRPLANE TOUCHED DOWN ON THE LEFT SIDE OF THE RUNWAY, AND THE PILOT LOST DIRECTIONAL CONTROL. THE PLANE THEN EXISTED THE LEFT SIDE OF THE RUNWAY AND WAS DAMAGED.

## Aircraft

- Registration: [N9339T](https://openairdocs.org/deregistered/N9339T-2013-05-22), registration cancelled 2013-05-22, S/N 50839, built 1960 (OpenAirDocs)
- Reported make and model: CESSNA 180C
- Registry model: [Cessna 180C](https://openairdocs.org/model/cessna-180c) (registry code 2072608) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 50839
- Airframe hours: 2740
- Engines: Continental O-470-L 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Goerge Ziots
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 3, 1990, 6 hours before
- Departed: MRI, ANCHORAGE, AK
- Airport: 241, Lake Hood Strip, runway 13, 4,500 × 80 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; commercial; airplane ratings: single-engine land, multi-engine land, single-engine sea; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; flight hours: 793 total, 424 in this make and model, 624 as pilot in command, 5 in the last 90 days, 5 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 140° at 16 knots
- Visibility: 60 statute miles
- Lowest ceiling: 8,500 ft broken
- Temperature: 46 °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 19900503013269A](https://openairdocs.org/incident/19900503013269A), May 3, 1990: Cessna 180C, Anchorage, AK, Substantial damage. Lost control and ground looped on landing.

## Other investigations on N9339T (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 ANC90LA188](https://openairdocs.org/ntsb/ANC90LA188), Oct 1, 1990: Cessna 180 (N9339T), Swift River, AK, substantial damage. Probable cause: THE PILOT-IN-COMMAND'S FAILURE TO UNDERSTAND THE PERFORMANCE DATA OF THE AIRPLANE, AND HIS FAILURE TO IDENTIFY UNSUITABLE TERRAIN.

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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