SEA77DYM18

NTSB accident investigation · Hiller Acft UH12D · Pendleton, OR · January 27, 1977

Accident · No injuriesClosed
Date
January 27, 1977
Place
Pendleton, OR · PENDLETON, OR
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N14490Hiller Acft UH12D
Status
Completed · report March 16, 1977
Report
Brief approved by the director
FAA report
19770127002399A
Case key
157691

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
----------------------------------------------------------------------------------------------------------------------------
3-0482  77/1/27    PENDLETON,OR        HILLER ACFT UH12D   CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 31, 3065
        TIME - 1600                    N14490              PX-  0  0  1  PRACTICE                  TOTAL HOURS, 60 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PENDLETON,OR                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR GEAR BOX
           MISCELLANEOUS ACTS,CONDITIONS - LOOSE,PART/FITTING
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  DIRECTIONAL CONTROL PROBLEM
        REMARKS- DIR CTL PROB & VIB 20FT-20KTS.TWO OF FOUR T/R GEAR BOX MOUNTING BOLTS WERE LOOSE.HIT T/R DRG T/D.

Aircraft

Registration
N14490
Reported as
Hiller Acft UH12D
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage

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 N14490 · 1

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