SEA68A0021

NTSB accident investigation · Bell 47G3B1 · West Glacier, MT · July 29, 1967

Accident · No injuriesClosed
Date
July 29, 1967
Place
West Glacier, MT · WEST GLACIER, MT
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Emergency descent
Aircraft
N73916Bell 47G3B1
Status
Completed · report February 12, 1968
Report
Brief approved by the director
Case key
115957

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
----------------------------------------------------------------------------------------------------------------------------
2-0962  67/7/29  NR.WEST GLACIER,MONT  BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 29, 2000
        TIME - 1015                    N73916              PX-  0  0  0  ASSOC FIRE CTL ACTIVITY   TOTAL HOURS, 400 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: AUTOROTATIVE DESCENT
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PROP/ENGINE VIBRATION
        REMARKS- PLT FAILED TO CHECK SECURITY OF SIDE RACK CARGO.LOOSE WATERBAGS STRUCK TAIL ROTOR.

Aircraft

Registration
N73916
Reported as
Bell 47G3B1
Category
Helicopter
Engine
reciprocating
Damage
Substantial 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 N73916 · 2

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