This definition appears very rarely
See other definitions of OAI
Samples in periodicals archive:
Other Aviation Information and Background Material. Radio alphabet; Information on Density Altitude; FAA Tips for winter flying; ICAO Location Finder (PilotWeb)
other aviation information or services) should be directed to the FSDO having jurisdiction in the particular geo-graphic area. FSDO telephone numbers are listed in the
Other Aviation Information and Background Material. Radio alphabet FAA regulations (far's) FAA material for rockets and balloons Information on Density...