Pilot (Lost) 1011 to represent Flight 815's wreckage. Many changes were made during the casting process, including the selected actors, the characters' behaviors and fates. The pilot introduces the survivors of Oceanic Flight 815, who experience a plane crash and end up on a mysterious island. Three of the characters, Jack Shephard (Matthew Fox), Kate Austen (Evangeline Lilly) and Charlie Pace (Dominic Monaghan), are featured before the crash in flashbacks of their experiences on the plane as it breaks apart in mid-air; this narrative technique would be reused in almost every subsequent episode of the series. The "Lost" pilot is one of
Shanwick Oceanic Control Aviation Organisation (ICAO). ICAO divides such airspace into flight information regions, parts of which may be deemed controlled airspace and, where appropriate, classified as an Oceanic Control Area (OCA). The flight control (procedural ATC) aspect within the Shanwick OCA is the responsibility of the United Kingdom and is provided by National Air Traffic Services (NATS) from the Prestwick Centre and the voice communication aspect is shared between the CDOs (clearance delivery officers) based at Prestwick Centre and the Irish Aviation Authority (IAA) from Shannon Aeradio, based in Ballygirreen Radio Station. Shanwick Control further delegate oceanic control of traffic in the