# NTSB ANC84LA188: Maule M-4, N12023, King Salmon, AK, September 23, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 23, 1984, 13:30 local (21:30 UTC)
- Place: King Salmon, AK
- Coordinates: 58.750297, -156.539382 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=58.7503&lon=-156.5394&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4381
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA188
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4381/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA188

## 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
  - weather condition - gusts (contributing factor)
  - compensation for wind conditions - not performed, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
- On ground/water encounter with terrain/water, takeoff - roll/run
  - terrain condition - ditch

## Analysis

THE PLT STATED THAT AFTER HE LIFTED THE TAIL OFF THE RWY THE ACFT ENCOUNTERED A GUST OF WIND AND HE LOST CONTROL SWERVING INTO A DITCH ADJACENT TO THE RWY.

## Aircraft

- Registration: [N12023](https://openairdocs.org/deregistered/N12023-2018-12-13), registration cancelled 2018-12-13, S/N 34, built 1963 (OpenAirDocs)
- Reported make and model: MAULE M-4
- Registry model: [Maule M-4](https://openairdocs.org/model/maule-m-4) (registry code 5460104) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 34
- Airframe hours: 1664
- Engines: CONTINENTAL O-300-A 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: William Mathis Young
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 23, 1984, 11 hours before
- Departed: AKN, KING SALMON, AK
- Destination: ENA, KENAI, AK
- Airport: runway 8, 2,500 × 50 ft

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 52; private; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 423 total, 11 in this make and model, 356 as pilot in command, 25 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 100° at 15 knots, gusting 22
- Visibility: 50 statute miles
- Lowest ceiling: 8,000 ft broken
- Temperature: 55 °F, dew point 41 °F
- Observed at: AKN, 3 nm away

## 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 19840923050349A](https://openairdocs.org/incident/19840923050349A), Sep 23, 1984: Maule M4, King Salmon, AK, Substantial damage. Lost control taking off in a gusty wind. Veered off the runway into a ditch. Possible gross weight and CG problem.

## Other investigations on N12023 (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 ANC66D0094](https://openairdocs.org/ntsb/ANC66D0094), Apr 11, 1966: Maule M-4 (N12023), Fairbanks, 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.
