DEN71ID027

NTSB incident investigation · Boeing 747 · Hill City, KS · December 4, 1970

Incident · No injuriesClosed
Date
December 4, 1970
Place
Hill City, KS · HILL CITY, KS
Injuries
77 uninjured
Damage
Minor damage
Phase of flight
Enroute
Aircraft
N740PABoeing 747
Status
Completed · report January 11, 1971
Report
Brief approved by the director
Case key
159496

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
----------------------------------------------------------------------------------------------------------------------------
4-0044   70/12/4 NR.HILL CITY,KANS     BOEING 747          CR-  0  0 17  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0900                    N740PA              PX-  0  0 60                            56, 22000 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            124 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - AMERICAN AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          JFK INTL APT,NY             LOS ANGELES,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           AIRFRAME - FUSELAGE: WINDSHIELDS,WINDOWS,CANOPIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- OUTER LAYER OF PLTS FRONT WINDSHIELD PANEL SEPARATED IN FLT. LND AT DENVER OK.

Aircraft

Registration
N740PA
Reported as
Boeing 747
Category
Airplane
Engine
turbo fan
Damage
Minor damage