# NTSB ANC83LA100: Cessna 140, N89410, Bettles, AK, June 19, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 19, 1983, 10:45 local (18:45 UTC)
- Place: Bettles, AK
- Coordinates: 67.239181, -152.270812 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=67.2392&lon=-152.2708&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4131
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC83LA100
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4131/pdf
- Page: https://openairdocs.org/ntsb/ANC83LA100

## Sequence of events

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

- Nose over, takeoff - roll/run
  - aborted takeoff - delayed, pilot in command (cause)
  - distance - misjudged, pilot in command (cause)
  - brakes(normal) - improper use of, pilot in command (cause)

## Analysis

THE ACFT NOSED OVER DURING AN ABORTED TAKEOFF. THE ACFT WAS DAMAGED BUT THE OCCUPANTS WERE NOT INJURED. THE PILOT STATEDTHAT HE DECIDED TO TAKE OFF TO THE SOUTH SINCE THERE WAS NO WIND. THE ACCELERATION FOR TAKEOFF WAS SLOW ACCORDING TO THEPILOT SO HE CLOSED THE THROTTLE AND APPLIED HEAVY BRAKING IN AN ATTEMPT TO ABORT THE TAKEOFF. THE ACFT BOUNCED ON THE RUNWAY, AND THE ACFT NOSED OVER.

## Aircraft

- Registration: [N89410](https://openairdocs.org/deregistered/N89410-2013-05-17), registration cancelled 2013-05-17, S/N 8442, built 1946 (OpenAirDocs)
- Reported make and model: CESSNA 140
- Registry model: [Cessna 140](https://openairdocs.org/model/cessna-140) (registry code 2071602) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 8442
- Airframe hours: 3666
- Engines: CONTINENTAL C-85 85 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: C.G. Baas
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, June 21, 1983, 6 hours before
- Flight plan: VFR
- Airport: 1AK1, Crevice Creek, runway 13, 2,250 × 20 ft, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 18; private; airplane ratings: single-engine land; medical: class 3, expired; seat: left; flight hours: 97 total, 80 in this make and model, 69 as pilot in command, 17 in the last 90 days, 7 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 25 statute miles
- Lowest ceiling: none
- Temperature: 70 °F
- Observed at: 1

## 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 19830619035439A](https://openairdocs.org/incident/19830619035439A), Jun 19, 1983: Cessna 140, Crevice Creek R, AK, Substantial damage. Aborted takeoff due to slow speed. Applied brakes too hard on rough surface. Airplane flipped over.

## Other investigations on N89410 (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 LAX71DUG66](https://openairdocs.org/ntsb/LAX71DUG66), Mar 14, 1971: Cessna 140 (N89410), Helendale, CA, 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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