FTW78FA005

NTSB accident investigation · Beech M35 · Dubach, LA · October 23, 1977

Accident · FatalClosed
Date
October 23, 1977
Place
Dubach, LA · DUBACH, LA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N9840RBeech M35
Status
Completed · report January 18, 1978
Report
Brief approved by the director
FAA report
19771023041139A
Case key
144177

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
----------------------------------------------------------------------------------------------------------------------------
3-3864  77/10/23 NR.DUBACH,LA          BEECH M35           CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 66, 1146
        TIME - 1728                    N9840R              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 557 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DOTHAN,AL                   DALLAS,TX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
        FACTOR(S)
           AIRFRAME - WINGS: SKIN AND ATTACHMENTS
           AIRFRAME - FLIGHT CONTROL SURFACES: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        WEATHER BRIEFING - BRIEFING RECEIVED-METHOD UNKNOWN
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    2500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          4 MILES OR LESS                                          RAIN SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      73
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          120                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- WINGS SHOWED EVIDENCE OF POSITIVE OVERLOAD L WING SEPARATED DOWN L R STAB RUDVATR SEP POS OVERLOAD

Aircraft

Registration
N9840R
Reported as
Beech M35
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.