# NTSB ANC89LA098: Cessna 182A, N9926B, Tyonek, AK, June 20, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 19, 1989, 23:30 local (Jun 20, 1989, 07:30 UTC)
- Place: Tyonek, AK
- Location: 61.0681° N, 151.1369° W: Placed by OpenAirDocs: center of Tyonek, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.0681&lon=-151.1369&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 19, 1990
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5203
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC89LA098
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5203/pdf
- Page: https://openairdocs.org/ntsb/ANC89LA098

## Probable cause

SELECTION OF UNSUITABLE TERRAIN BY THE PILOT. PROBABLE CONTRIBUTING FACTORS WERE THE SOFT SAND AND THE PILOT'S DELAY IN ABORTING THE TAKEOFF.

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - terrain condition - loose gravel/sandy (contributing factor)
  - directional control - not maintained, pilot in command
  - ground loop/swerve - uncontrolled
- On ground/water collision with object, takeoff - aborted
  - aborted takeoff - delayed, pilot in command (contributing factor)

## Aircraft

- Registration: [N9926B](https://openairdocs.org/deregistered/N9926B-2013-03-21), registration cancelled 2013-03-21, S/N 34326, built 1957 (OpenAirDocs)
- Reported make and model: CESSNA 182A
- Registry model: [Cessna 182A](https://openairdocs.org/model/cessna-182a) (registry code 2072704) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 34326
- Engines: CONTINENTAL O-470 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Dundy, Michael W.
- Registered owner: Dundy, Michael W
- Airworthiness certificate: Standard, Normal
- Airport: NONE

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; private; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; flight hours: 319 total, 52 in this make and model, 183 as pilot in command, 60 in the last 90 days, 28 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: calm
- Visibility: 60 statute miles
- Lowest ceiling: none
- Temperature: 50 °F, dew point -0 °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 19890620016319A](https://openairdocs.org/incident/19890620016319A), Jun 20, 1989: Cessna 182A, Tyonek, AK, Substantial damage. Tried to take off from a sandbar,encountered soft sand,lost control,hit tree limb at full power collapsing the gear

## Other investigations on N9926B (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 NYC72FLJ12](https://openairdocs.org/ntsb/NYC72FLJ12), Oct 8, 1971: Cessna 182 (N9926B), Rocky Mount, NC, no damage
- [NTSB NYC66F0041](https://openairdocs.org/ntsb/NYC66F0041), Jun 22, 1965: Cessna 182 (N9926B), Slocum, RI, 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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