air flow

air traffic flow management (ATFM)

air-flow indicator

Main Air Traffic Flow Management Centre (MATFMC)

air flow duct

air-flow metering unit

corrected air flow

ram-air flow

air flow rate

aerial refueling / air refueling / in-flight refueling (IFR) / air-to-air refueling (AAR)

air combat capable helicopter / air-to-air capable helicopter

air support field pack, field pack air support, airborne / para (air support) / Pathfinder Bergen

axial-flow (jet) engine

axial-flow turboshaft engine

flow meter

flow point

flow rate

force flow

logistics flow

movement flow point

supply chain flow

unbroken flow of supplies

disrupt the flow of supplies

constant-flow lubrication

down flow carburetor

induce-flow nozzle

flow divider

flow forming

flow over

full-flow filter

vortex-free’ flow

approach flow

axial flow compressor