In 1971, when American Aviation became Grumman American, the company identified a need for a four-seat aircraft. It introduced an enlarged version of the AA-1, equipped it with a 150 hp Lycoming O ...

This Grumman G-164 Ag-Cat, N332Y and serial number 207, rolled off the factory line on May 2, 1963, as one of the early license-built production models by Schweizer. The first test and acceptance ...

That's the conclusion of an analysis by a Navy/Northrop Grumman Corporation (NYSE:NOC) test team following a rigorous, five-week series of structural proof tests of the jet's airframe.