SEA75DYE41

NTSB accident investigation · Hiller Acft UH-12E · Concrete, WA · May 5, 1975

Accident · Minor injuriesClosed
Date
May 5, 1975
Place
Concrete, WA · CONCRETE, WA
Injuries
1 minor, 2 uninjured
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N90469Hiller Acft UH-12E
Status
Completed · report July 18, 1975
Report
Brief approved by the director
FAA report
19750505010609A
Case key
170746

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

On this page

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
----------------------------------------------------------------------------------------------------------------------------
3-1511   75/5/5    CONCRETE,WA         HILLER ACFT UH-12E  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 32, 4200
        TIME - 1600                    N90469              PX-  0  0  2  CTR PASSG-D               TOTAL HOURS, 18 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FINNY CREEK
        DEPARTURE POINT             INTENDED DESTINATION
          CONCRETE,WA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           WEATHER - UNFAVORABLE WIND CONDITIONS
           TERRAIN - ROUGH/UNEVEN
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  4000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          FOG                                                      HEAD WIND 338-022 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           40                                                      230
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           20                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- RPM DECR AFTER STARTED FWD MOTION FROM HOVER. HI TIME HELI PLT,LOW TIME IN TYPE. GUSTING TO 25K.

Aircraft

Registration
N90469
Reported as
Hiller Acft UH-12E
Category
Helicopter
Engine
reciprocating
Damage
Destroyed
Airport
Finny Creek

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.

Other investigations on N90469 · 2

Matched to the same aircraft by N-number and date.