DEN73AD031

NTSB accident investigation · Bell 473GB1 · Zuni, NM · January 8, 1973

Accident · Minor injuriesClosed
Date
January 8, 1973
Place
Zuni, NM · ZUNI, NM
Injuries
1 minor, 2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N1166WBell 473GB1
Status
Completed · report April 5, 1973
Report
Brief approved by the director
FAA report
19730108000859A
Case key
169701

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
----------------------------------------------------------------------------------------------------------------------------
3-0119   73/1/8    ZUNI,N MEX          BELL 473GB1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1500                    N1166W              PX-  0  0  2  AIR TAXI-PASSG            AGE 29, 2016 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            550 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GALLUP,N MEX                RETURN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: POWER-ON DESCENT
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - EXHAUST SYSTEM: EXTERNAL SUPERCHARGER
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- METAL CHIP FROM EXHAUST MANIFOLD WEDGED IN TURBOCHARGER.

Aircraft

Registration
N1166W
Reported as
Bell 473GB1
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage

FAA reports on this event · 1

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