MIA67A0019

NTSB accident investigation · Dehavilland 114 · San Juan, PR · August 3, 1966

Accident · Minor injuriesClosed
Date
August 3, 1966
Place
San Juan, PR · SAN JUAN, PR
Injuries
1 minor, 4 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N4789CDehavilland 114
Status
Completed · report December 1, 1967
Report
Brief approved by the director
Case key
121375

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
----------------------------------------------------------------------------------------------------------------------------
3-4407   66/8/3    SAN JUAN,PR         DEHAVILLAND 114     CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1253                    N4789C              PX-  0  0  3  COMMUTER AIR CARRIER      44, 12000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-I        260 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SAN JUAN INTL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: FAILURE TO PROVIDE ADEQ.DIRECTIVES,MANUAL,EQUIPMENT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- NO.4 PROP SEPARATED,PARTS STRUCK CABIN.PROP BARREL FAILED.COMPANY DID NOT HAVE MAINT MANUALS.

Aircraft

Registration
N4789C
Reported as
Dehavilland 114
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
San Juan Intl

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.