FSX Supermarine Sea Otter With Updated Panels. The Supermarine Sea Otter was a British designed anphibian biplane intended to replace the once venerable Supermarine Walrus in the Royal Air Force reconnaissance and search and rescue missions. It had the distinctions of being the last biplane flying boat to achieve front line service in Great Britainâ€™s armed force. The package features an entirely resorked VC and 2D panel with all new gauges. Credits go to A.F. Scrub for the original model and to Hans van Spelde for the Dutch repaint. Panel updates and new gauge configuration by Michael Pook. The model may work in FS2004 and P3D (v.3). This is the whole aircraft.