Vliegtuigongeval op 10 APR 2015 met Gulfstream G-IV N450KK - Caribbean Sea
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Status:Accident investigation report completed and information captured
Datum:vrijdag 10 april 2015
Type:Silhouette image of generic GLF4 model; specific model in this crash may look slightly different
Gulfstream G-IV
Luchtvaartmaatschappij:La Venezolana de Seguros y Vida
Registratie: N450KK
Constructienummer: 1225
Bouwjaar: 1993
Aantal vlieguren:7473
Motoren: 2 Rolls-Royce Tay 611
Bemanning:slachtoffers: 0 / inzittenden: 2
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 0 / inzittenden: 2
Schade: Groot
Gevolgen: Written off (damaged beyond repair)
Plaats:boven Caribbean Sea (   Atlantische Oceaan)
Fase: Kruisvlucht (ENR)
Soort vlucht:Ferry
Vliegveld van vertrek:Caracas-Simón Bolívar International Airport (CCS/SVMI), Venezuela
Vliegveld van aankomst:Fort Lauderdale-Executive Airport, FL (FXE/KFXE), Verenigde Staten
A Gulfstream G-IV, N450KK, was substantially damaged during a cabin over-pressurization event over the Caribbean Sea while en route to Fort Lauderdale-Executive Airport, Florida (FXE). The pilots were not injured. The airplane was operated by a private company. Day, visual meteorological conditions prevailed, and an instrument flight rules flight plan was filed. The flight originated at Caracas-Simón Bolívar International Airport, Venezuela about 16:30.
The pilot reported that the purpose of the flight was to fly the airplane to FXE for scheduled maintenance. About 2 hours and 15 minutes after departure, at flight level 430, the crew observed a red warning light indicating a maximum cabin differential pressure of 9.8 psi, followed by a red "DOOR MAIN" indication. The pilots donned oxygen masks and referenced the airplane's quick reference handbook. A loud "bam" sound was then heard in the cabin and the crew initiated an immediate descent. The cabin pressure outflow valve was opened manually and the airplane was leveled at 12,000 feet above mean sea level. The flight continued to FXE unpressurized and landed without further incident. After landing, the crew performed a walk-around inspection and found no obvious anomalies with the airplane.
A subsequent inspection of the airplane by maintenance and engineering personnel revealed structural airframe damage, including a cracked floor beam, dimpled areas in the floor boards, damaged structure between ribs, and damaged wing links. An initial examination of the fuselage revealed that the outflow valve safety port, located on the outer fuselage, was completely plugged with a foreign material resembling dried dirt from a mud dauber.

Probable Cause:

PROBABLE CAUSE: "The in-flight failure of the cabin pressurization relief/safety valve (CPRV) due to an obstruction of the CPRV static port, which allowed the airplane to overpressurize. The reason for the initial overpressurization condition could not be determined."



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Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Caracas-Simón Bolívar International Airport en Fort Lauderdale-Executive Airport, FL bedraagt 2207 km (1379 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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