OAK64A0035

NTSB accident investigation · Sikorsky S-62A · San Francisco, CA · October 29, 1963

Accident · No injuriesClosed
Date
October 29, 1963
Place
San Francisco, CA · SAN FRANCISCO, CA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Emergency descent
Aircraft
N323YSikorsky S-62A
Status
Completed · report August 23, 1968
Report
Brief approved by the director
Case key
111338

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
----------------------------------------------------------------------------------------------------------------------------
1-0066  63/10/29   SAN FRANCISCO,CAL   SIKORSKY S-62A      CR-  0  0  2  TEST                      AIRLINE TRANSPORT, AGE
        TIME - 1155                    N323Y               PX-  0  0  0                            31, 5326 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1847 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SAN FRANCISCO
        OPERATOR - SAN FRANCISCO AND OAKLAND HELICOPTER AIRLINES
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: AUTOROTATIVE DESCENT
           GEAR COLLAPSED                                           LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- ACFT LANDED TAIL LOW WHEN ENG DID NOT RESPOND IN TIME TO TERMINATE A TEST AUTOROTATIVE DESCENT.

Aircraft

Registration
N323Y
Reported as
Sikorsky S-62A
Category
Helicopter
Engine
turbo shaft
Damage
Substantial damage
Airport
San Francisco

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 N323Y · 1

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