OAK73FVD14

NTSB accident investigation · Hiller Acft UH-12C · Brentwood, CA · September 12, 1972

Accident · FatalClosed
Date
September 12, 1972
Place
Brentwood, CA · BRENTWOOD, CA
Injuries
1 fatal
Damage
Minor damage
Phase of flight
Standing
Aircraft
N9734CHiller Acft UH-12C
Status
Completed · report March 31, 1973
Report
Brief approved by the director
Case key
168169

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
----------------------------------------------------------------------------------------------------------------------------
3-3791  72/9/12    BRENTWOOD,CALIF     HILLER ACFT UH-12C  CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 60,
        TIME - 0745                    N9734C              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   UNK/NR TOTAL HOURS, 1900
                                       DAMAGE-MINOR        OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BRENTWOOD,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR ACCIDENT TO PERSON                       STATIC: IDLING ROTORS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - OPERATED CARELESSLY
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - LETTUCE                                   TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          GLOVES - NOT USED                                        GOGGLES - NOT USED
          CRASH HELMET - AVAILABLE-NOT USED                        COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - SIDES
        REMARKS- PLT DEPLANED AND WALKED INTO ROTATING T/R. CHOLINESTERASE CK NOT PERFORMED.

Aircraft

Registration
N9734C
Reported as
Hiller Acft UH-12C
Category
Helicopter
Engine
reciprocating
Damage
Minor 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.

Other investigations on N9734C · 1

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