номер, що записує азимути
azimuth display board
head-up display / heads-up-display (HUD)
modular integrated display and sight helmet (Modular Integrated Display-And-Sight Helmet)
deflection board
display board
azimuth-scale index / azimuth scale index
on-board digital computer / on-board computer
air traffic control operator
control tower operator
early warning system (EWS) operator
identification operator
operator control unit (OCU)
operator maintenance
operator’s pack
operator's permit
ship operator
telephone operator
radio telephone operator (RTO)
aiming rule operator
control post operator
vertical control operator
fire-control operator
navigator-radio operator
air operator certificate
aircraft operator
airport operator
flight operator
flight radio operator
flight systems operator
operator D / Dt
operator communication
radar operator