DEN76AD073

NTSB accident investigation · Bell 47G3B2 · Mantua, UT · September 25, 1976

Accident · FatalClosed
Date
September 25, 1976
Place
Mantua, UT · MANTUA, UT
Injuries
2 fatal, 1 serious
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N2205WBell 47G3B2
Status
Completed · report August 26, 1977
Report
Brief approved by the director
FAA report
19760925039039A
Case key
156094

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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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
----------------------------------------------------------------------------------------------------------------------------
3-4159  76/9/25  NR.MANTUA,UT          BELL 47G3B2         CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1415                    N2205W              PX-  1  1  0  PLEASURE/PERSONAL TRANSP  AGE 43, 2670 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            1850 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BOY SCOUT CAMP              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: BEARINGS
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR GEAR BOX
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
        FACTOR(S)
           PILOT IN COMMAND - DELAYED IN INITIATING GO-AROUND
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- WITNESSES SAW ACFT SPIN FROM 500 FT TO GROUND.FAILED BEARING HAD BEEN IN SERVICE 125 HRS.

Aircraft

Registration
N2205W
Reported as
Bell 47G3B2
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 N2205W · 1

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