Security identification display area
Security Identification Display Area, or SIDA, is a special security area designated by an airport operator in the US to comply with Federal Aviation Administration (FAA) requirements directed by Federal Aviation Regulation (FAR) part 107.205. An identification system must be used in this area. Before allowing unescorted access to this area, a person must be trained and their background investigated. Normally, the flight ramp and other sensitive operational areas of a US commercial airport are designated as a SIDA.
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