NYC72FNA14

NTSB accident investigation · Sikorsky S-55 · Acton, MA · October 15, 1971

Accident · Serious injuriesClosed
Date
October 15, 1971
Place
Acton, MA · ACTON, MA
Injuries
1 serious, 1 minor
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N9009RSikorsky S-55
Status
Completed · report April 12, 1972
Report
Brief approved by the director
Case key
163382

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
----------------------------------------------------------------------------------------------------------------------------
3-3291  71/10/15   ACTON,MASS          SIKORSKY S-55       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1528                    N9009R              PX-  0  1  0  AERIAL SURVEY             AGE 33, 3388 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            34 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BEDFORD,MASS                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - OTHER
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- CON ROD FAILED,ACFT DSTRYD BY IMPACT AND FIRE.ALT TOO LOW FOR PRPR RCVRY.OVER POPULATED AREA.

Aircraft

Registration
N9009R
Reported as
Sikorsky S-55
Category
Helicopter
Engine
reciprocating
Damage
Destroyed

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.