Terms defined in
part 108 of this chapter apply to this part. For purposes of this part,
part 108 of this chapter, and security programs under these parts, the following definitions also apply:
Air operations area (AOA) means a portion of an airport, specified in the airport security program, in which security measures specified in this part are carried out. This area includes aircraft movement areas, aircraft parking areas, loading ramps, and safety areas, for use by aircraft regulated under
part 108 or §
129.25 of this chapter, and any adjacent areas (such as general aviation areas) that are not separated by adequate security systems, measures, or procedures. This area does not include the secured area.
Airport operator means a person that operates an airport serving an aircraft operator or a foreign air carrier required to have a security program under
part 108 or §
129.25 of this chapter.
Airport security program means an airport operator's security program required under §
107.101 and approved by the Administrator.

Airport tenant means any person, other than an aircraft operator or foreign air carrier that has a security program under part 108 or §129.25 of this chapter, that has an agreement with the airport operator to conduct business on airport property.
Airport tenant security program means the agreement between the airport operator and an airport tenant that specifies the measures by which the tenant will perform security functions under §107.113.
Assistant Administrator means the FAA Assistant Administrator for Civil Aviation Security as described in 49 U.S.C. 44932.
Escort means to accompany or monitor the activities of an individual who does not have unescorted access authority into or within a secured area or SIDA.
Exclusive area means any portion of a secured area, AOA, or SIDA, including individual access points, for which an aircraft operator or foreign air carrier that has a security program under part 108 or §129.25 of this chapter has assumed responsibility under §107.111. 
Exclusive area agreement means an agreement between the airport operator and an aircraft operator or a foreign air carrier that has a security program under part 108 or §129.25 of this chapter that permits such an aircraft operator or foreign air carrier to assume responsibility for specified security measures in accordance with §107.111.
Secured area means a portion of an airport, specified in the airport security program, in which certain security measures specified in this part are carried out. This area is where aircraft operators and foreign air carriers that have a security program under part 108 or §129.25 of this chapter enplane and deplane passengers and sort and load baggage and any adjacent areas that are not separated by adequate security systems, measures, or procedures.
Security Identification Display Area (SIDA) means a portion of an airport, specified in the airport security program, in which security measures specified in this part are carried out. This area includes the secured area and may include other areas of the airport.
Unescorted access authority means the authority granted to individuals by an airport operator, aircraft operator, foreign air carrier, or airport tenant authorized under this part or parts 108 or 129 of this chapter to gain entry to, and be present without an escort in secured areas and SIDA's.