DEN71AD008

NTSB accident investigation · Cessna 210D · Yellowstn Prk, WY · August 22, 1970

Accident · FatalClosed
Date
August 22, 1970
Place
Yellowstn Prk, WY · YELLOWSTN PRK, WY
Injuries
4 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N3952YCessna 210D
Status
Completed · report January 8, 1971
Report
Brief approved by the director
Case key
112967

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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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
----------------------------------------------------------------------------------------------------------------------------
3-1504  70/8/22    YELLOWSTN PRK,WYO   CESSNA 210D         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 53, 911
        TIME - 1415                    N3952Y              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 197 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          RAPID CITY,S DAK            W.YELLOWSTONE,MONT           SHERIDAN,WYO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
           MISCELLANEOUS ACTS,CONDITIONS - FLEW INTO BLIND CANYON
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        MISSING AIRCRAFT - LATER RECOVERED
        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                                                      90
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- RECOVERY DATE 8/24/70.DENSITY ALT ABOUT 12200 FT.OVER MAX GROSS WT ABOUT 40 LBS.CRASHED IN CREEK.

Aircraft

Registration
N3952Y
Reported as
Cessna 210D
Category
Airplane
Engine
reciprocating
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.