MIA66A0100

NTSB accident investigation · Hughes 269B · Memphis, TN · March 1, 1966

Accident · No injuriesClosed
Date
March 1, 1966
Place
Memphis, TN · MEMPHIS, TN
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9401FHughes 269B
Status
Completed · report November 30, 1966
Report
Brief approved by the director
Case key
173305

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
----------------------------------------------------------------------------------------------------------------------------
2-0358   66/3/1    MEMPHIS TENN        HUGHES 269B         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 30, 2200
        TIME - 1640                    N9401F              PX-  0  0  1  POLICE PATROL             TOTAL HOURS, 950 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - DOWNTOWN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - OUT OF BALANCE
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: STABILIZING SURFACES-DAMPERS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
                                  PROP/ENGINE VIBRATION
        REMARKS- LOOSE T/R ABRASIVE STRIP CAUSED VIBRATION WHICH FAILED IMPROPER RIVETS IN STABILIZER MOUNT BRACKET

Aircraft

Registration
N9401F
Reported as
Hughes 269B
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage
Airport
Downtown

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 N9401F · 1

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