1. Early warbird, with tail booms and wing spars being made of steel.
2. Not a success, with only one built and it crashed very early in testing.
3. The armament consisted of a single belt-fed 0.303 Vickers-Maxim machine gun.
4. It was designed in response to a British Admiralty requirement.
That's TWO new clues today!! Let's have some guesses!!