UNK64X2564

NTSB accident investigation · Bell 47J2 · Waltham, MA · June 29, 1964

Accident · No injuriesClosed
Date
June 29, 1964
Place
Waltham, MA · WALTHAM, MA
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N8499EBell 47J2
Status
Completed · report December 21, 1964
Report
Brief approved by the director
Case key
183691

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
----------------------------------------------------------------------------------------------------------------------------
2-0699  64/6/29    WALTHAM MASS        BELL 47J2           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 36, 8500
        TIME - 1254                    N8499E              PX-  0  0  3  AIR TAXI-PASSG            TOTAL HOURS, 1000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PITCH CONTROL PROBLEM
        REMARKS- FAILURE WAS MAST CONTROL STABILIZER BAR

Aircraft

Registration
N8499E
Reported as
Bell 47J2
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 N8499E · 2

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