# NTSB ANC72DAG81: Maule M-4, N2028U, Skwentna, AK, December 5, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 5, 1971
- Place: Skwentna, AK · SKWENTNA, AK
- Location: 61.9903° N, 151.3978° W: Placed by OpenAirDocs: center of Skwentna, AK, within about 12 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.9903&lon=-151.3978&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 23, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164824
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC72DAG81
- Page: https://openairdocs.org/ntsb/ANC72DAG81

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4457   71/12/5   SKWENTNA,ALAS       MAULE M-4           CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 28, 215
        TIME - 1630                    N2028U              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 60 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SKWENTNA,ALAS               ANCHORAGE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: SNOWBANK                                  TAXI: GROUND TAXI, OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           TERRAIN - SNOW-COVERED
        REMARKS- ATMTD TO PACK SOFT SNW BY TAXIING ACFT ALONG SAND BAR.R WNG HIT SNW BNK.
```

## Aircraft

- Registration: [N2028U](https://openairdocs.org/aircraft/N2028U), registered now, S/N 2016C, built 1968 (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 6V 350 series](https://openairdocs.org/engine/franklin-6v-350-series) (registry code 27043, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N2028U (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 CEN10CA087](https://openairdocs.org/ntsb/CEN10CA087), Jan 2, 2010: Maule M-4-220C (N2028U), Pearsall, TX, substantial damage. Probable cause: A total loss of engine power due to fuel exhaustion as a result of the pilot’s inadequate preflight planning.

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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