UNK64X0966

NTSB accident investigation · Boeing B-720B · Billings, MT · March 17, 1964

Accident · Serious injuriesClosed
Date
March 17, 1964
Place
Billings, MT · BILLINGS, MT
Injuries
1 serious, 1 minor, 38 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N732USBoeing B-720B
Status
Completed · report September 22, 1964
Report
Brief approved by the director
Case key
185596

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
----------------------------------------------------------------------------------------------------------------------------
1-0022  64/3/17  NR.BILLINGS MONT      BOEING B-720B       CR-  0  1  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0050                    N732US              PX-  0  0 33                            48, 18510 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            310 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - NORTHWEST AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT NOT FASTENED
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        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- STEWARDESS ATTENDING TO CABIN DUTIES

Aircraft

Registration
N732US
Reported as
Boeing B-720B
Category
Airplane
Engine
turbo fan
Damage
No damage