Cornell Aeronautical Laboratory was academic seat of learning, part of Cornell University. Reflecting rapid growth in commercial contracting, changed name 17 November 1972 to Calspan Corp. Largest task at that time was Convair NC-131H TIFS (total in-flight simulator) under contract to USAF. Navy X-22A V/STOL was investigated, NT-33A flown for USAF Flight Dynamics Laboratory, and in 1981 a variable-stability Learjet was added. Calspan became division of Arvin Industries 1978.