The Keystone XO-15 was an American project for an observation aircraft planned by the Keystone Aircraft Corporation for the United States Army Air Corps but was cancelled before any examples of the type could be flown.
The Keystone XO-15 was an American project for an observation aircraft, planned by the Keystone Aircraft Corporation for the United States Army Air Corps, but was cancelled before any examples of the type could 1
This article provides individuals with tools to overcome or at least manage a fear of flying. Flying can be an enjoyable experience if anxiety is not an issue.