Looking for a plane this time:
1) This plane was single engined
2) Less than a dozen were built
3) This plane was actually used by the military of it's country of origin
4) This plane was only based two places
5) To fly this plane, the pilots had to learn a specific skill that wasn't easy to perform
6) This plane was a single seater
7) While this was an active duty aircraft, it never saw combat
8) While this plane was not secret, it's use was considered "secretive" by the military brass
9) Due to bad luck, it's service life was only a few years
10) That service life was only 4 to 5 years
11) This plane was armed with twin 30 caliber machine guns
Good Luck