Aviation abbreviation

secondary surveillance radar

SSR

ABBR · Radio communications and ATC

At a glance

Meaning of secondary surveillance radar

SSR stands for secondary surveillance radar in FAA terminology.

More about secondary surveillance radar

This abbreviation is used in radio communications and air traffic control. The English reference lists secondary surveillance radar with the abbreviation SSR.

FAA abbreviations reflect US aviation usage. Their meaning and permitted use can differ in documents from other countries.