Meanings

Vacuum Society of Japan

Department of Civil Aviation

Laputa: Castle in the Sky (1986 animated film)

Spring Airlines

parameter space

unprecedented in history

British Airways

air traffic control

airdrop

vacuum bulb

multiple namespace

racing (of an engine)

aerodynamics

fabricated dream

idling (of an engine)

extensity

Air Force Association

kūdō (martial art form)

Aozora Bunko (digital library of Japanese public-domain works)

space-time