North American AT6C Harvard G-TSIXNorth American AT6C Harvard G-TSIXNorth American AT6C Harvard G-TSIXNorth American AT6C Harvard G-TSIXNorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American AT-6D Harvard IIINorth American Harvard