Delta Air Transport acquired a 49 percent stake in DAT, and an increasing number of flights were operated on behalf of the Belgian national airline henceforth (also adopting the airline codes of Sabena), using a fleet of British Aerospace 146 aircraft, in favor of which other airliners were gradually phased out. DAT became a member of the European Regional Airlines Association in 1993. In 1996, Sabena bought the remaining KLM stake, thus DAT became a wholly owned Sabena subsidiary, moved its headquarters from Antwerp to Brussels and was re-branded as DAT Belgian Regional Airline, offering low-cost flights. Gradually, the livery of Sabena was
National Airlines (1999–2002) Like many other airlines, National had serious financial problems after the September 11 attacks in 2001, and only 41 months after their inaugural flight left Las Vegas' McCarran International Airport, the airline ceased all operations on November 6, 2002 after being in Chapter 11 bankruptcy for 23 months. As of the day of National's grounding on November 6, 2002, the airline had carried 1.85 million passengers through McCarran (January - November, 2002), and National was the airport's fourth-largest carrier based upon passenger volume. Departing McCarran International Airport at 4:20 p.m., National Airlines Flight 354 to Dallas/Fort Worth was the carrier's