OAK76FVM01

NTSB accident investigation · Enstrom F28A · San Francisco, CA · July 5, 1975

Accident · No injuriesClosed
Date
July 5, 1975
Place
San Francisco, CA · SAN FRANCISCO, CA
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N4893Enstrom F28A
Status
Completed · report March 1, 1976
Report
Brief approved by the director
FAA report
19750705019359A
Case key
150449

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
----------------------------------------------------------------------------------------------------------------------------
3-4031   75/7/5    SAN FRANCISCO,CA    ENSTROM F28A        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 2052
        TIME - 1610                    N4893               PX-  0  0  2  CTR PASSG-D               TOTAL HOURS, 76 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SAN FRANCISCO,CA            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: CLIMB TO CRUISE
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - MISCELLANEOUS UNITS AND ASSEMBLIES: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- LOCAL SIGHTSEEING FLT. TAIL BOOM ATTACH BOLT FAILED.

Aircraft

Registration
N4893
Reported as
Enstrom F28A
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage
Airport
Pier 43 Helipad.

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.