| 释义 |
special-rules zone special-rules zone (SRZ)An area of protected airspace surrounding an airfield and extending from the surface upward to a specific level that affords safety to air traffic movements in the vicinity of airfields whose traffic level does not warrant the establishment of a control zone. Also, a special-rules area, or an SRA, extending vertically and horizontally from a level above the surface but not necessarily terminating at the same upper level as the SRZ. |