LAX75AL057

NTSB accident investigation · Bell 47G3B1 · Superior, AZ · April 22, 1975

Accident · FatalClosed
Date
April 22, 1975
Place
Superior, AZ · SUPERIOR, AZ
Injuries
3 fatal
Damage
Destroyed
Phase of flight
Landing
Aircraft
N1381XBell 47G3B1
Status
Completed · report November 7, 1975
Report
Brief approved by the director
FAA report
19750422035809A
Case key
149102

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
----------------------------------------------------------------------------------------------------------------------------
3-2967  75/4/22  NR.SUPERIOR,AZ        BELL 47G3B1         CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 33, 3248
        TIME - 1345                    N1381X              PX-  2  0  0  CTR PASSG-D               TOTAL HOURS, 402 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KEARNEY,AZ                  SURVEY POINT,AZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      LANDING: POWER-ON LANDING
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
           MISCELLANEOUS ACTS,CONDITIONS - OPEN
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- T/R SHAFT COUPLING RING MISSING. LOST DIR CTL AT TOO LOW ALT FOR SAFE LDG.

Aircraft

Registration
N1381X
Reported as
Bell 47G3B1
Category
Helicopter
Engine
reciprocating
Damage
Destroyed

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 N1381X · 2

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