cockpit, center fuselage, and wing center section was built and was inspected by the BuAer in the fall 1944. However, the contract for the prototype XTSF-1s was terminated in January 1945. This was due to a variety of factors, including the Navy's belief that the Grumman engineers and factory were already at capacity producing the F6F Hellcat, the F7F, and the F8F Bearcat, that the XTSF-1 would be too large for practical operations from escort carriers, and because it was believed the Grumman G-70, to be built as the XTB3F, was a better prospect. In addition, the F7F was proving difficult to certify for operations from aircraft carriers, further prejudicing the Navy against the design. Some sources erroneously state that the XTSF-1 became the XTB2F, however this is not the case. The XTSF-1 was the only aircraft ever designated by the U.S. Navy in the 'TS for Torpedo Scout' category, the designation being superseded and incorporated, along with 'BT for Bomber-Torpedo', 'SB for Scout-Bomber', and 'TB for Torpedo-Bomber', into the new 'A for Attack' series. Specifications (XTSF-1) See also References Citations Bibliography External links "Grumman Designs and Proposals", The Grumman Pages. TS - Torpedo Scout Aircraft, U.S. Military Aircraft and Weapon Designations TS01F Cancelled military aircraft projects of the United States High-wing aircraft Carrier-based aircraft Twin piston-engined tractor aircraft