CHI74DEM57

NTSB accident investigation · Bell 47G · Hart, MI · May 1, 1974

Accident · Minor injuriesClosed
Date
May 1, 1974
Place
Hart, MI · HART, MI
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N4734SBell 47G
Status
Completed · report June 11, 1974
Report
Brief approved by the director
FAA report
19740501011789A
Case key
170251

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
----------------------------------------------------------------------------------------------------------------------------
3-1152   74/5/1    HART,MICH           BELL 47G            CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1730                    N4734S              PX-  0  0  0  FERRY                     AGE 31, 2872 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2238 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HART,MICH                   GREENVILLE,MICH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
        REMARKS- AN174-34 BOLT AND AN310-4 NUT MISSING FROM LAT  CYCLIC CONTROL AT BELLCRANK 47-725-018-1.NOT FOUND

Aircraft

Registration
N4734S
Reported as
Bell 47G
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.

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 N4734S · 4

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