SEA77FTI11

NTSB accident investigation · Bell 47G3B1 · Polson, MT · April 17, 1977

Accident · Serious injuriesClosed
Date
April 17, 1977
Place
Polson, MT · POLSON, MT
Injuries
2 serious
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N12437Bell 47G3B1
Status
Completed · report May 19, 1977
Report
Brief approved by the director
FAA report
19770417008039A
Case key
158054

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
----------------------------------------------------------------------------------------------------------------------------
3-0956  77/4/17  NR.POLSON,MT          BELL 47G3B1         CR-  0  2  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1700                    N12437              PX-  0  0  0  DUAL                      AGE 63, 17095 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 607 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BIG ARM,MT                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               TAXI: AERIAL TAXI, OTHER
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- UNMARKED WIRES.

Aircraft

Registration
N12437
Reported as
Bell 47G3B1
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 N12437 · 1

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