Sabena Congo, caused thousands of Belgians to flee the country. The Belgian government commandeered Sabena's entire long haul fleet to get the refugees back to Europe. Independence also meant the end of the impressive regional network of routes that the airline had built up in the Congo since 1924. When the new republic began its own airline, Air Congo, in June 1961, Sabena held 30 percent of that airline's shares. The Douglas DC-6Bs remained in service with Sabena in the mid-1960s although they were no longer used on the airline's main routes. The Boeing 707s and Caravelles became the mainstay types
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