instrument restricted airspace

restricted area (airspace)

airspace restricted area

instrument takeoff / instrument take-off

barrier restricted area

restricted (security classification)

restricted

restricted area (under military jurisdiction)

restricted operations area

Restricted Operations Zone (ROZ)

restricted-burning rocket (engine)

restricted-weapons zone

restricted target

restricted target lists (RTL)

restricted articles

restricted job

restricted visibility

restricted area

security-restricted

flight restriction zone / flight restricted zone (FRZ)

restricted frequency list (RFL)

Air defense and Airspace Management Directorate (NATO)

airspace

airspace and traffic management

airspace control (AC)

airspace control area

airspace control authority

Airspace Control Means (ACMs)

Airspace Control Measure Request (ACMREQ)

Airspace Control Order (ACO)

airspace control plan

airspace management

Airspace Management Section (NATO IS)