# NTSB ANC84LA165: Maule M-4-210C, N9820M, Tok, AK, September 4, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 3, 1984, 17:00 local (Sep 4, 1984, 01:00 UTC)
- Place: Tok, AK
- Coordinates: 63.179492, -143.100357 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=63.1795&lon=-143.1004&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (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): 4363
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA165
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4363/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA165

## Sequence of events

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

- Main gear collapsed, landing - roll
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)

## Analysis

THE ACFT LANDED ON AN UNIMPROVED AIRSTRIP AND THE LANDING GEAR COLLAPSED DURING THE LANDING ROLL. THE PLT INDICATED HE SHOULD HAVE AVOIDED THE ROUGH AIRSTRIP.

## Aircraft

- Registration: N9820M (not matched to a registry record)
- Reported make and model: MAULE M-4-210C
- Category: Airplane
- Serial number: 1008C
- Airframe hours: 900
- Engines: CONTINENTAL IO-360-A 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Thomas A. Bear
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, November 11, 1983, 50 hours before
- Departed: UNKNOWN

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; private; airplane ratings: single-engine land; medical: valid medical--no waivers/lim.; seat: left; flight hours: 550 total, 50 in this make and model, 550 as pilot in command, 20 in the last 90 days, 10 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 39 °F, dew point 10 °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 19840903045749A](https://openairdocs.org/incident/19840903045749A), Sep 3, 1984: Maule M4, Tok, AK, Minor damage. Gear collapsed during rollout on rough airstrip.

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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