OAK68A0067

NTSB accident investigation · Boeing 720B · Mason City, IA · May 13, 1968

Accident · Serious injuriesClosed
Date
May 13, 1968
Place
Mason City, IA · MASON CITY, IA
Injuries
1 serious, 3 minor, 81 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N7549AABoeing 720B
Status
Completed · report September 9, 1968
Report
Brief approved by the director
Case key
111616

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
----------------------------------------------------------------------------------------------------------------------------
1-0017  68/5/13  NR.MASON CITY,IOWA    BOEING 720B         CR-  0  0  7  SCHED DOM PASSG SRV       CERTIFICATE UNKNOWN, AGE
        TIME - 1727                    N7549AA             PX-  0  1 77                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-NONE         OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   UNK/NR INSTRUMENT RATED.
        OPERATOR - AMERICAN AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT SIGN OFF
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    5000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- CREW WARNED PAX TO KEEP SEAT BELTS FASTENED DUE TO POSSIBLE TURB.

Aircraft

Registration
N7549AA
Reported as
Boeing 720B
Category
Airplane
Engine
turbo fan
Damage
No damage