FTW67A0003

NTSB accident investigation · Bell 47G-4 · Borger, TX · July 5, 1966

Accident · No injuriesClosed
Date
July 5, 1966
Place
Borger, TX · BORGER, TX
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N1128WBell 47G-4
Status
Completed · report March 17, 1967
Report
Brief approved by the director
Case key
171135

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
----------------------------------------------------------------------------------------------------------------------------
2-0611   66/7/5  NR.BORGER TEX         BELL 47G-4          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 33, 4580
        TIME - 1730                    N1128W              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 500 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: HOVERING
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: POWER-ON DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      97
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WAS HOVERING ABOUT 20 FT ABOVE SWAMP FULL OF HIGH REEDS.DENSITY ALTITUDE APPROXIMATELY 6000 FT.

Aircraft

Registration
N1128W
Reported as
Bell 47G-4
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.