FTW65A0082

NTSB accident investigation · Lockheed L-188 · Okarche, OK · February 15, 1965

Accident · No injuriesClosed
Date
February 15, 1965
Place
Okarche, OK · OKARCHE, OK
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N111Lockheed L-188
Status
Completed · report April 6, 1965
Report
Brief approved by the director
Case key
180509

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
----------------------------------------------------------------------------------------------------------------------------
2-0062  65/2/15  NR.OKARCHE OKLA       LOCKHEED L-188      CR-  0  0  4  INSTRUCTIONAL             AIRLINE TRANSPORT, AGE
        TIME - 1030                    N111                PX-  0  0  0  TRAINING                  UNK/NR, 8941 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            135 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
          PERSONNEL-MFR DEFECT IN PROP CAUSED FATIGUE.
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT

Aircraft

Registration
N111
Reported as
Lockheed L-188
Category
Airplane
Engine
turbo prop
Damage
Substantial damage