# NTSB ANC72AA028: Pilatus PC-6H2, N3602R, Nunapitchuk, AK, December 10, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 10, 1971
- Place: Nunapitchuk, AK · NUNAPITCHUK, AK
- Location: 60.8797° N, 162.4622° W: Placed by OpenAirDocs: center of Nunapitchuk, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=60.8797&lon=-162.4622&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 29, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164764
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC72AA028
- Page: https://openairdocs.org/ntsb/ANC72AA028

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4525  71/12/10   NUNAPITCHUK,ALAS    PILATUS PC-6H2      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 31, 2500
        TIME - 1140                    N3602R              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 87 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - KWETHLUK
        DEPARTURE POINT             INTENDED DESTINATION
          BETHEL,ALAS                 NUNAPITCHUK,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: DIRT BANK                                 TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           TERRAIN - OTHER
        REMARKS- ATTEMPTED T/O FROM FROZEN LAKE COVERED WITH DEEP SNOW. HIT RIVER BANK.
```

## Aircraft

- Registration: [N3602R](https://openairdocs.org/deregistered/N3602R-2011-01-05), registration cancelled 2011-01-05, S/N 2004 (OpenAirDocs)
- Reported make and model: PILATUS PC-6H2
- Registry model: [Fairchild Heli-Porter PILATUS PC6/B1-H2](https://openairdocs.org/model/fairchild-heli-porter-pilatus-pc6-b1-h2) (registry code 3375011) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Kwethluk

## Other investigations on N3602R (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC72AA042](https://openairdocs.org/ntsb/ANC72AA042), Apr 19, 1972: Pilatus PC-6 (N3602R), Deadhorse, AK, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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