FS2004 Sikorsky JRS-1 US Navy VJ-1 Squadron 1-J-1. Sikorsky twin-engine amphibian built in 1937. Military version of S-43. secondhand developed by United States Navy and Marines for public utility transport, photography, objective towing. JRS-1s were based at ivory Harbor, Hawaii in Dec 1941. Top hasten across 190 mph. Can remove off in 900 feet, in 15 seconds. stray 775 miles at cruising rush of 177 mph. FSDS3.5 model with virtual cockpit, radio operator compartment, passenger cabin, sliding incline doors and antenna television camera attitude aft. developed by George Diemer.