OAK73FJA02

NTSB accident investigation · Hughes 269B · Honolulu, HI · July 10, 1972

Accident · No injuriesClosed
Date
July 10, 1972
Place
Honolulu, HI · HONOLULU, HI
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9486FHughes 269B
Status
Completed · report January 24, 1973
Report
Brief approved by the director
Case key
167157

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
----------------------------------------------------------------------------------------------------------------------------
3-1271  72/7/10    HONOLULU,HAWAII     HUGHES 269B         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 28, 1559
        TIME - 0805                    N9486F              PX-  0  0  1  HIGHWAY TRAFFIC ADVISORY  TOTAL HOURS, 366 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HONOLULU,HAWAII             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR GEAR BOX
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- MAIN TRANSMISSION RING GR SHAFT FAILED. T/R HIT TREE DURING LDG ATTEMPT.

Aircraft

Registration
N9486F
Reported as
Hughes 269B
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 N9486F · 1

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