DEN72FTC12

NTSB accident investigation · Cessna 170B · Sheridan, WY · October 14, 1971

Accident · Serious injuriesClosed
Date
October 14, 1971
Place
Sheridan, WY · SHERIDAN, WY
Injuries
2 serious
Damage
Destroyed
Phase of flight
Landing
Aircraft
N4569CCessna 170B
Status
Completed · report December 21, 1971
Report
Brief approved by the director
Case key
163625

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
----------------------------------------------------------------------------------------------------------------------------
3-1173  71/10/14   SHERIDAN,WYO        CESSNA 170B         CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 31, 240
        TIME - 1805                    N4569C              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 170 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SHERIDAN,WYO                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
        FACTOR(S)
           WEATHER - FOG
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
           TERRAIN - HIGH OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - FLEW INTO BLIND CANYON
        WEATHER BRIEFING - RECIEVED RECORDED BRIEFING BY LFMF RADIO
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  ADVERSE/UNFAVORABLE WEATHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  8000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          ICE FOG                                                  190
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           5                                                       VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- CONTD FLT INTO BOX CANYON,ENCTRD ICING COND,UN CLB ABV MTN TOPS CRASH LNDD IN TREES.

Aircraft

Registration
N4569C
Reported as
Cessna 170B
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.