індикатор нульового биття
beat to arms
beat hollow
drum-beat cadence
beam / beat the opposition
beat of pointer
instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)
grid zone / grid-zone
no-fly zone; air exclusion zone
zone standard time (zone time) (ZST)
killing zone / kill zone
grid zone designation / Grid Zone Designator
grey-zone / grey zone (international relations)
hundred-per-cent zone (one-hundred-per-cent zone)
no-fire zone / no fire zone
air-flow indicator
artificial horizon (gyro horizon/ attitude indicator)
desiccant indicator
gyro course indicator
indicator console
indicator lamp
indicator light
indicator system
performance indicator
radiac computer-indicator
range height indicator (RHI) scope
range indicator
target indicator
telltale indicator
turbine inlet temperature indicator
vertical gyro indicator
vertical scale indicator
counter indicator