FTW74AF009

NTSB accident investigation · Aero Comdr 690A · Alex, OK · August 22, 1973

Accident · FatalClosed
Date
August 22, 1973
Place
Alex, OK · ALEX, OK
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N333CAAero Comdr 690A
Status
Completed · report March 5, 1974
Report
Brief approved by the director
FAA report
19730822035929A
Case key
188828

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
----------------------------------------------------------------------------------------------------------------------------
3-3972  73/8/22    ALEX,OKLA           AERO COMDR 690A     CR-  2  0  0  MISCELLANEOUS             COMMERCIAL, AGE 53, 8950
        TIME - 1420                    N333CA              PX-  0  0  0  TEST                      TOTAL HOURS, 1944 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BETHANY,OKLA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           SYSTEMS - ELECTRICAL SYSTEM: SWITCHES
           SYSTEMS - AIR CONDITION,HEATING AND PRESSURIZATION: PRESSURIZATION CONTROL AND INDICATING SYSTEM
           COPILOT - LACK OF FAMILIARITY WITH AIRCRAFT
           COPILOT - FAILED TO USE OR INCORRECTLY USED MISC.EQUIPMENT
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           MISCELLANEOUS ACTS,CONDITIONS - EXPLOSIVE DECOMPRESSION
        FACTOR(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
         FIRE AFTER IMPACT
        REMARKS- PROD TEST FLT.PLT R SEAT.C/P SLCTD UNCOVERED PRESSURIZATION DUMP SWITCH.DIF PANEL PSN 690 MODEL.

Aircraft

Registration
N333CA
Reported as
Aero Comdr 690A
Category
Airplane
Engine
turbo prop
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.