air safety rules

Rules of the Road (see: Navigation Rules)

flying safety rules

safety and arming device / safety-and-arming device

international rules in force

regulations, rules and policies

Rules of Engagement (ROE)

clearance rules

certification rules

aeronautical rules

visual flight rules (VFR)

design rules

general operating rules

instrument flight rules (IFR)

instrument flight rules operation

instrument rules flight

visual flight rules

VFR traffic (visual flight rules)

navigation rules

security rules

firing rules

udev rules are installed correctly

air safety corridor

air safety

air traffic safety

International Air Safety Association

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

Allied Ammunition Storage and Safety Publications (AASTP)

arming pin; safety pin

Global Maritime Distress Safety System (GMDSS)

margin of safety