avoid collision

airborne based sense and avoid (ABSAA)

ground-based sense and avoid (GBSAA)

see and avoid method

sense and avoid (SaA)

detect and avoid (D&A / DAA)

sense and avoid

avoid contact with hostile forces

avoid fragmentation

airborne collision avoidance system (ACAS)

collision regulations (COLREGS)

lead collision course

traffic collision avoidance system (TCAS)

collision avoidance system-equipped aircraft

midair collision control

near collision

unavoidable collision

aerial collision

air collision

airborne collision avoidance system

approach lights collision

avert collision

bird collision

mid-air collision

midair collision accident

midair collision hazard

midair collision risk

near mid-air collision

head-on collision

cloud and collision warning radar

collision

collision course interception

collision point