NYC78FHA27

NTSB accident investigation · Enstrom F-28A · Ft Washington, PA · June 15, 1978

Accident · No injuriesClosed
Date
June 15, 1978
Place
Ft Washington, PA · FT WASHINGTON, PA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9569Enstrom F-28A
Status
Completed · report September 4, 1978
Report
Brief approved by the director
FAA report
19780615014839A
Case key
141505

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
----------------------------------------------------------------------------------------------------------------------------
3-1885  78/6/15    FT WASHINGTON,PA    ENSTROM F-28A       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 40, 1127
        TIME - 1615                    N9569               PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 104 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FT WASHINGTON,PA            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR PULLEYS,BELTS
           MISCELLANEOUS ACTS,CONDITIONS - LOOSE,PART/FITTING
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- JAM NUT P/N AN316-5 BECAME LOOSE.BELT TENSION ASSEMBLY DISCONNECTED.PWR LOSS TO ROTOR SYS.

Aircraft

Registration
N9569
Reported as
Enstrom F-28A
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.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N9569 · 1

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