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SESK: Stuff Everyone Should Know · sesk.info/drone-sida-airport-security-area

At an airport, what is a SIDA?

A Security Identification Display Area, where airport security measures are carried out.

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  1. A Security Identification Display Area ✔
  2. A Secure Identification Document Area
  3. A Security Inspection Designated Area

Why: A SIDA is part of an airport, set by its security program, where TSA security measures apply. It includes the secured area and may cover other parts of the airport.

Huh, didn't know that: SIDA rules come from TSA regulations in 49 CFR Part 1540, not from Part 107.

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Why did the badge get promoted at the airport? It always made a great first impression.
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References

Answer: A Security Identification Display Area. A SIDA is part of an airport, set by its security program, where TSA security measures apply. It includes the secured area and may cover other parts of the airport.

  1. 49 CFR 1540.5, Terms used in this subchapter www.ecfr.gov/current/title-49/subtitle-B/chapter-XII/subchapter-C/part-1540/subpart-A/section-1540.5
    Security Identification Display Area (SIDA) means a portion of an airport, specified in the airport security program
    Checked 2026-10-09.

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