Columbia’s “Air Force One” took off in Century City on Monday night and partygoers were cleared for landing in the courtyard of the Century City Towers. The “U.S.A. kicks butt” theme of the Beacon Communications’ film was expertly carried out at the party, with an abundant array of American flags and even red, white and blue napkins.The food was also all-American: regional cuisine from around the country, including New England clam chowder, Southern fried chicken and Pacific Northwest salmon. Post-film party benefited Cure Autism Now. Beacon’s Jon Shestack, one of the film’s producers, has an autistic son and is the founder of CAN, which funds research. The event, underwritten by Sony Pictures Entertainment, Buena Vista Intl. and Beacon, with sponsors such as Universal, Kodak/Cinesite, People magazine, Tommy Hilfiger and CAA, raised $250,000 for the org. Under the soaring towers of I.M. Pei, revelers who took the area in force included “Air Force One” helmer Wolfgang Petersen, star Harrison Ford, “A.F.O.’s” scorer Jerry Goldsmith, Sony Pictures Entertainment prexy/chief operating officer John Calley, Col’s Lucy Fisher, Gareth Wigan and Amy Pascal, Beacon Pictures’ Armyan Bernstein and Marc Abraham, Jon Shestack and Gail Katz, two the film’s producers, “One” scripter Andrew Marlowe, Universal’s Chris McGurk, Mike Marcus and CAA’s Richard Lovett. Other high-fliers include Arnold Schwarzenegger and Maria Shriver, Martin Landau, Renee Russo (CAN honor-ary board member), Nicolette Sheridan, Lisa Henson and producing partner Janet Yang, John Corbin, Tia Carrera and Colm Meany.