# NTSB ANC92LA111: Cessna 180, N9398C, Wrangell, AK, July 24, 1992

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 24, 1992, 14:30 local (22:30 UTC)
- Place: Wrangell, AK
- Coordinates: 56.410545, -131.610931 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=56.4105&lon=-131.6109&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report May 26, 1993
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5759
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC92LA111
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5759/pdf
- Page: https://openairdocs.org/ntsb/ANC92LA111

## Probable cause

AN INOPERATIVE TAILWHEEL.

## 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
  - landing gear,tailwheel - inoperative (cause)
  - landing gear - inoperative
  - ground loop/swerve - inadvertent, pilot in command
  - landing gear,main gear - overload
- Main gear collapsed, landing

## Analysis

THE TAIL WHEEL BEGAN TO SHIMMY UPON LANDING AND THE PILOT WAS NOT ABLE TO STOP THE SHIMMY.  HE STEPPED ON THE BRAKES TO STOP THE AIRPLANE AND THE AIRPLANE GROUND LOOPED BEFORE COMING TO A STOP.  NO DETERMINATION FOR THE TAIL WHEEL SHIMMY WAS MADE DUE TO THE DAMAGE TO THE TAIL WHEEL INCURRED DURING THE GROUND LOOP.

## Aircraft

- Registration: [N9398C](https://openairdocs.org/aircraft/N9398C), registered now, S/N 31796, 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: 31796
- Airframe hours: 4165
- Engines: CONTINENTAL O-470-J 225 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Neel Glass
- Registered owner: Neel Glass
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 24, 1992, 19 hours before
- Departed: PSG, PETERSBURG, AK
- Airport: WRG, Wrangell, runway 27, 6,000 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 68; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 2,875 total, 1,000 in this make and model, 2,875 as pilot in command, 24 in the last 90 days, 19 in the last 30 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 30 statute miles
- Lowest ceiling: 4,000 ft broken
- Temperature: 70 °F, dew point 55 °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 19920724031049A](https://openairdocs.org/incident/19920724031049A), Jul 24, 1992: Cessna 180, Wrangell, AK, Substantial damage. Tail wheel shimmy on landing. Tried raise tail to stop shimmy. Lost control and ground looped.

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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