MKC74AK056

NTSB accident investigation · Cessna 421 · Bunker, MO · March 29, 1974

Accident · FatalClosed
Date
March 29, 1974
Place
Bunker, MO · BUNKER, MO
Injuries
5 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N3139KCessna 421
Status
Completed · report July 3, 1974
Report
Brief approved by the director
FAA report
19740329015859A
Case key
124207

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
----------------------------------------------------------------------------------------------------------------------------
3-1406  74/3/29  NR.BUNKER,MO          CESSNA 421          CR-  2  0  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1322                    N3139K              PX-  3  0  0  CORP/EXEC                 AGE 38, 2000 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            100 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          HAGERSTOWN,MD               LAS VEGAS,NEV                PUEBLO,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: OTHER
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
           AIRFRAME - FLIGHT CONTROL SURFACES: HORIZONTAL STABILIZER, ATTACHMENTS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
           WEATHER - THUNDERSTORM ACTIVITY
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  2800
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1 MILE OR LESS                                            THUNDERSTORM, RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          UNKNOWN/NOT REPORTED                                      72
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          290                                                       28
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      IFR
         FIRE AFTER IMPACT
        REMARKS- NO WX UPDATE AT ST LOUIS.LINE OF TSTMS WEST.HEAVY ICING,LOST CTL.HOR STAB & ELEV SEPRTD.

Aircraft

Registration
N3139K
Reported as
Cessna 421
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.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.