ANC71AA018

NTSB accident investigation · Sikorsky S-55B · Valdez, AK · August 26, 1970

Accident · FatalClosed
Date
August 26, 1970
Place
Valdez, AK · VALDEZ, AK
Injuries
1 fatal
Phase of flight
Unknown
Aircraft
N455ZSikorsky S-55B
Status
Completed · report February 3, 1971
Report
Brief approved by the director
Case key
113307

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
----------------------------------------------------------------------------------------------------------------------------
3-1644  70/8/26  NR.VALDEZ,ALAS        SIKORSKY S-55B      CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 25, 3000
        TIME - 0700                    N455Z               PX-  0  0  0  AIR TAXI-PASSG            TOTAL HOURS, 310 IN TYPE,
                                       DAMAGE-UNKNOWN      OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          BASE CAMP,ALAS              LOCAL                        SURVEY SITE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISSING AIRCRAFT,NOT RECOVERED                           UNKNOWN/NOT REPORTED
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        REMARKS- DAMAGE-INJURY INDEX PRESUMED.

Aircraft

Registration
N455Z
Reported as
Sikorsky S-55B
Category
Helicopter
Engine
reciprocating

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.