Airframe is a novel by the American writer Michael Crichton, first published in 1996, in hardcover, by Knopf and then in 1997, as a paperback, by Ballantine Books. The plot follows Casey Singleton, a quality assurance vice president at the fictional aerospace manufacturer Norton Aircraft, as she investigates an in-flight accident aboard a Norton-manufactured airliner that leaves three passengers dead and 56 injured.