# NTSB LAX82DA142: Maule M-4, N40625, Wickenburg, AZ, April 20, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: April 20, 1982, 09:15 local (17:15 UTC)
- Place: Wickenburg, AZ
- Location: 33.9706° N, 112.7951° W: Placed by OpenAirDocs at WICKENBURG MUNI (E25), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.9706&lon=-112.7951&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report April 20, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 73045
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX82DA142
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/73045/pdf
- Page: https://openairdocs.org/ntsb/LAX82DA142

## 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
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - uncontrolled, pilot in command (cause)
- Gear collapsed, landing - roll
  - landing gear - overload (contributing factor)

## Analysis

DURING LANDING ROLL THE LEFT WING CAME UP AND THE AIRCRAFT TURNED SHARPLY TO THE RIGHT. THE AIRCRAFT LEFT THE RUNWAY AND CAME TO REST IN A GULLY.

## Aircraft

- Registration: [N40625](https://openairdocs.org/deregistered/N40625-2012-09-24), registration cancelled 2012-09-24, S/N 2146C, built 1972 (OpenAirDocs)
- Reported make and model: MAULE M-4
- Registry model: [Maule M-4-220C](https://openairdocs.org/model/maule-m-4-220c) (registry code 5460114) (OpenAirDocs)
- Registry engine: [Franklin 6A-350SER](https://openairdocs.org/engine/franklin-6a-350ser) (registry code 27023, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 2146-C
- Airframe hours: 780
- Engines: FRANKLIN 6A-350-C1 220 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Doug Jerry Henry
- Registered owner: Doug Jerry Henry
- Departed: ROLL, AZ
- Destination: Q38, DOS PALOS, CA
- Flight plan: VFR
- Airport: E25, Wickenburg, runway 23, 5,050 × 60 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; flight hours: 165 total, 90 in this make and model, 100 as pilot in command, 20 in the last 90 days, 12 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 6 knots
- Temperature: 158 °F
- Altimeter: 29.00 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 19820420024089A](https://openairdocs.org/incident/19820420024089A), Apr 20, 1982: Maule M4, Wickenburg, AZ, Substantial damage. Lost directional control landing. Ran off runway through brush into a ditch.

## Other investigations on N40625 (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 WPR11LA444](https://openairdocs.org/ntsb/WPR11LA444), Sep 10, 2011: Maule M-4-220C (N40625), Show Low, AZ, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the landing, which resulted in a ground loop.
- [NTSB LAX92LA040](https://openairdocs.org/ntsb/LAX92LA040), Nov 8, 1991: Maule M4-220C (N40625), Coolidge, AZ, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL OF THE AIRCRAFT DURING THE TAKEOFF GROUND RUN DUE TO INADEQUATE COMPENSATION FOR THE EXISTING WIND CONDITIONS. A FACTOR IN THIS ACCIDENT WAS THE…

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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