ANC70AA080

NTSB accident investigation · Douglas DC-3C · Barrow, AK · May 21, 1970

Accident · Minor injuriesClosed
Date
May 21, 1970
Place
Barrow, AK · BARROW, AK
Injuries
2 minor, 1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N75430Douglas DC-3C
Status
Completed · report October 7, 1970
Report
Brief approved by the director
Case key
127127

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 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
Reported as
Douglas DC-3C
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
Prudhoe Bay

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.