# NTSB ANC70AA080: Douglas DC-3C, N75430, Barrow, AK, May 21, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 21, 1970
- Place: Barrow, AK · BARROW, AK
- Location: 71.2644° N, 156.7537° W: Placed by OpenAirDocs: center of Utqiaġvik, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=71.2644&lon=-156.7537&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 1 uninjured
- Status: Completed, report October 7, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 127127
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC70AA080
- Page: https://openairdocs.org/ntsb/ANC70AA080

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1131  70/5/21    BARROW,ALAS         DOUGLAS DC-3C       CR-  0  0  2  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 0040                    N75430              PX-  0  0  1  BUSINESS                  27, 8430 TOTAL HOURS, 220
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PRUDHOE BAY
        DEPARTURE POINT             INTENDED DESTINATION
          PINGO AIRSTRIP              FAIRBANKS,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER/INADEQUATE VENTING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           PILOT IN COMMAND - INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY RADIO
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               150
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/2 MILE OR LESS                                         NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       23
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           60                                                       4
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
        REMARKS- IDLED ENGS TOO LONG BEFORE T/O CONDENSATION FROZE,PLUGGED LWR BREATHER PIPE,OIL WENT OUT TOP PIPE.
```

## Aircraft

- Registration: [N75430](https://openairdocs.org/deregistered/N75430-2013-02-21), registration cancelled 2013-02-21, S/N 4490, built 1941 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-3C
- Registry model: [Douglas DC3C](https://openairdocs.org/model/douglas-dc3c) (registry code 3021457) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-1830 series](https://openairdocs.org/engine/pratt-whitney-r-1830-series) (registry code 52020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Prudhoe Bay

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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