задавач курсу (для радіонавігаційних систем)
omni-directional radio range
wind relative bearing / wind-relative bearing
rack selector
selector lever / switch
speed selector
arming range selector
fuel tank selector control
fuel tank selector valve
distributor octane selector vacuum line
job selector
safety lock and fire selector
piston-type selector valve
rotary selector valve
selector valve
spool-type selector valve
wind selector
fuel gauge selector
heading selector
indicated airspeed selector
weapon selector
selector
manual target selector
moving target selector
space target selector
target selector
target selector switch
target selector-azimuth
target selector-elevation
fire selector switch
bearing frame
bearing grid angle
bearing roller