NYC81FA020

NTSB accident investigation · Agusta A109-A · Pittsburgh, PA · January 16, 1981

Accident · Serious injuriesClosed
Date
January 16, 1981
Place
Pittsburgh, PA · PITTSBURGH, PA
Injuries
1 serious
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N86NRAgusta A109-A
Status
Completed · report May 13, 1981
Report
Brief approved by the director
Safety recommendations
Yes
FAA report
19810116000549A
Case key
79341

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
----------------------------------------------------------------------------------------------------------------------------
3-0832  81/1/16    PITTSBURGH,PA       AGUSTA A109-A       CR-  0  1  0  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 0800                    N86NR               PX-  0  0  0  CORP/EXEC                 43, 11708 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            125 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PITTSBURGH,PA               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        FACTOR(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
                                  DIRECTIONAL CONTROL PROBLEM
        REMARKS- #7 HANGER BEARING FAILED.PLT DID NOT CLOSE THROTTLES.BEARING CVRS NOT RQRD TO BE REMVD FOR INSPTN.

Aircraft

Registration
N86NR
Reported as
Agusta A109-A
Category
Helicopter
Engine
turbo shaft
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.

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 N86NR · 1

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