ANC76AA128

NTSB accident investigation · Hughes 369HS · Hawk Inlet, AK · September 2, 1976

Accident · FatalClosed
Date
September 2, 1976
Place
Hawk Inlet, AK · HAWK INLET, AK
Injuries
3 fatal, 1 serious
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N9172FHughes 369HS
Status
Completed · report March 22, 1977
Report
Brief approved by the director
FAA report
19760902042039A
Case key
156113

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
----------------------------------------------------------------------------------------------------------------------------
3-3955   76/9/2  NR.HAWK INLET,AK      HUGHES 369HS        CR-  1  0  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1715                    N9172F              PX-  2  1  0  AIR TAXI-PASSG            AGE 37, 6709 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            367 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          EXPLORATION CAMP            HAWK INLET,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           TERRAIN - OTHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                 UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          UNKNOWN/NOT REPORTED                                     210
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           30                                                      VFR
        TYPE OF FLIGHT PLAN
          VFR
         FIRE AFTER IMPACT
        REMARKS- RIDGES ON BOTH SIDES OF VALLEY.

Aircraft

Registration
N9172F
Reported as
Hughes 369HS
Category
Helicopter
Engine
turbo shaft
Damage
Destroyed

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.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.