DEN71AD030

NTSB accident investigation · Beech B23 · Mammoth, UT · January 2, 1971

Accident · FatalClosed
Date
January 2, 1971
Place
Mammoth, UT · MAMMOTH, UT
Injuries
1 fatal, 2 serious
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N4027TBeech B23
Status
Completed · report October 13, 1971
Report
Brief approved by the director
Case key
159483

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
----------------------------------------------------------------------------------------------------------------------------
3-0128   71/1/2    MAMMOTH,UT          BEECH B23           CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 34, 546
        TIME - 1815                    N4027T              PX-  0  2  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 520 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DELTA,UT                    SALT LAKE CITY,UT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - SNOW
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          PARTIAL OBSCURATION                                       800
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/2 MILE OR LESS                                         SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          BLOWING SNOW                                             VFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- STRUCK GRND DURG ATMTD TURNAROUND. DARK NIGHT.

Aircraft

Registration
N4027T
Reported as
Beech B23
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.