DEN69A0004

NTSB accident investigation · Bell 47G3B2 · Aspen, CO · July 29, 1968

Accident · Serious injuriesClosed
Date
July 29, 1968
Place
Aspen, CO · ASPEN, CO
Injuries
1 serious, 2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N4074GBell 47G3B2
Status
Completed · report December 9, 1968
Report
Brief approved by the director
Case key
108526

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
----------------------------------------------------------------------------------------------------------------------------
3-3436  68/7/29  NR.ASPEN,COLO         BELL 47G3B2         CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 42, 5408
        TIME - 1540                    N4074G              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 1964 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MIDWAY CREEK CAMP
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: POWER-ON DESCENT
           COLLIDED WITH: TREES                                     LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  14000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      60
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          360                                                       6
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         FIRE AFTER IMPACT
        REMARKS- DENS ALT 14000 FT.ENG RPM DCR WHEN THROTTLE WAS INCREASED.SIMILAR PWR LOSS THIS ACFT 50 HRS BEFORE

Aircraft

Registration
N4074G
Reported as
Bell 47G3B2
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage
Airport
Midway Creek Camp

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.

Other investigations on N4074G · 2

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