NYC75IN055

NTSB incident investigation · Douglas DC-10 · Brownsville, TX · October 3, 1974

Incident · No injuriesClosed
Date
October 3, 1974
Place
Brownsville, TX · BROWNSVILLE, TX
Injuries
65 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N120AADouglas DC-10
Status
Completed · report March 7, 1975
Report
Brief approved by the director
Case key
146424

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

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
----------------------------------------------------------------------------------------------------------------------------
4-0027   74/10/3 NR.BROWNSVILLE,TEX    DOUGLAS DC-10       CR-  0  0 12  SCHED INTERNATL PASSG SRV AIRLINE TRANSPORT, AGE
        TIME - 1910                    N120AA              PX-  0  0 53                            55, 21000 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            1400 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - AMERICAN AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          DALLAS,TEX                  ACAPULCO,MEX                 MEXICO CITY,MEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           PERSONNEL - FLIGHT ENGINEER: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           SYSTEMS - AIR CONDITION,HEATING AND PRESSURIZATION: OTHER
           SYSTEMS - OXYGEN SYSTEM: PASSENGER SYSTEM
        REMARKS- #3 PNEUMATIC SYS INOP.UN TO MNTN CABIN ALT.BYPASSED RAPID-DECOMP CK LIST.CABIN ALT INC TO 25000FT.

Aircraft

Registration
N120AA
Reported as
Douglas DC-10
Category
Airplane
Engine
turbo fan
Damage
No damage

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.