OAK73FVG15

NTSB accident investigation · Bunker RLU-1 · Red Bluff, CA · August 26, 1972

Accident · FatalClosed
Date
August 26, 1972
Place
Red Bluff, CA · RED BLUFF, CA
Injuries
1 uninjured
Phase of flight
Landing
Aircraft
N3KBunker RLU-1N11724Stearman 4E
Status
Completed · report March 19, 1973
Report
Brief approved by the director
Case key
167695

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
----------------------------------------------------------------------------------------------------------------------------
3-1147  72/8/26    SMARTVILLE,CALIF    STEARMAN 4E         CR-  1  0  0  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 0755                    N11724              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  54, 24981 TOTAL HOURS, 30
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PLEASANT VLLY RCH
        DEPARTURE POINT             INTENDED DESTINATION
          SMARTVILLE,CALIF            OTTUMWA,IOWA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: TREES                                     TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - DELAYED ACTION IN ABORTING TAKEOFF
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADE RETENTION MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - UNDER TORQUED
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- NR2 BLADE LOOSE IN HUB.PROP PROTRACTOR FOUND AT AIR STRIP.MARGINAL STRIP.5HRS IN TYPE ACFT,12 MOS.
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3305  72/8/26    RED BLUFF,CALIF     BUNKER RLU-1        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 45, 2700
        TIME - 1410                    N3K                 PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 100 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - RED BLUFF MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          RED BLUFF,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        FACTOR(S)
           WEATHER - OTHER
           WEATHER - HIGH TEMPERATURE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      105
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          360                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         FIRE AFTER IMPACT
        REMARKS- TURBC AND GUSTS DUE HIGH AMB TEMP.

Aircraft · 2

Registration
N3K
Reported as
Bunker RLU-1
Category
Airplane, amateur-built
Engine
reciprocating
Damage
Substantial damage
Airport
Red Bluff Muni
Registration
N11724
Reported as
Stearman 4E
Category
Airplane
Engine
reciprocating
Damage
Destroyed
Airport
Pleasant Vlly Rch