UNK64X3405

NTSB accident investigation · Bell 47G · Alameda, CA · August 15, 1964

Accident · FatalClosed
Date
August 15, 1964
Place
Alameda, CA · ALAMEDA, CA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Uncontrolled descent
Aircraft
N179BBell 47G
Status
Completed · report January 15, 1965
Report
Brief approved by the director
Case key
182697

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
----------------------------------------------------------------------------------------------------------------------------
2-0722  64/8/15  NR.ALAMEDA CALIF      BELL 47G            CR-  1  0  0  NONCOMMERCIAL             STUDENT, AGE 30, 35 TOTAL
        TIME - 0920                    N179B               PX-  0  0  0  PRACTICE                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - OAKLAND
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
         FIRE AFTER IMPACT
        REMARKS- BOLT ATTACHING INBOARD CYCLIC BARS TO LATERAL CYCLIC DISK CAME OUT

Aircraft

Registration
N179B
Reported as
Bell 47G
Category
Helicopter
Engine
reciprocating
Damage
Destroyed
Airport
Oakland

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 N179B · 2

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