# NTSB ANC71AA041: Pilatus PC-6, N3603R, Anchorage, AK, February 22, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 22, 1971
- Place: Anchorage, AK · ANCHORAGE, AK
- Location: 61.2181° N, 149.9003° W: Placed by OpenAirDocs: center of Anchorage, AK, within about 23 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.2181&lon=-149.9003&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 9 uninjured
- Status: Completed, report July 17, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161361
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71AA041
- Page: https://openairdocs.org/ntsb/ANC71AA041

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4240  71/2/22  NR.ANCHORAGE,ALAS     PILATUS PC-6        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 27, 2700
        TIME - 1725                    N3603R              PX-  0  0  8  COMMUTER AIR CARRIER      TOTAL HOURS, 49 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-D        INSTRUMENT RATED.
        NAME OF AIRPORT - STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          LITTLE SUSITNA,ALAS        ANCHORAGE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           GEAR COLLAPSED                                           TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- GR HIT SNOW BERM AT EDGE OF NARROW RWY.
```

## Aircraft

- Registration: N3603R (not matched to a registry record)
- Reported make and model: PILATUS PC-6
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Strip

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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