~2 min read
Encyclopedic overview
6 sectionsContents
- Aircraft
- Music
- Military
- Science and technology
- Other
- See also
O1 or O-1 may refer to:
== Aircraft == Cessna O-1 Bird Dog, an observation aircraft manufactured by Cessna O-1 Curtiss Falcon, an observation aircraft manufactured by the Curtiss Aircraft Company O-1 Airship, an Italian manufactured semi-rigid airship operated by the US Navy
Excerpted from Wikipedia’s “O1” article, available under the CC BY-SA 4.0 licence.