AIM

8/15/19

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Airport Marking Aids and Signs

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15. Security Identification Display

Area (SIDA)

a.

Security Identification Display Areas (SIDA)

are limited access areas that require a badge issued in
accordance with procedures in 49 CFR Part 1542. A
SIDA can include the Air Operations Area (AOA),
e.g., aircraft movement area or parking area, or a
Secured Area, such as where commercial passengers
enplane. The AOA may not be a SIDA, but a Secured
Area is always a SIDA. Movement through or into a
SIDA is prohibited without authorization and proper
identification being displayed. If you are unsure of
the location of a SIDA, contact the airport authority
for additional information. Airports that have a SIDA
will have a description and map detailing boundaries
and pertinent features available.

b.

Pilots or passengers without proper identifica-

tion that are observed entering a SIDA may be
reported to the Transportation Security Administra-
tion (TSA) or airport security and may be subject to

civil and criminal fines and prosecution. Pilots are
advised to brief passengers accordingly. Report
suspicious activity to the TSA by calling AOPA’s
Airport Watch Program, 866

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427

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3287. 49 CFR

1540 requires each individual who holds an airman
certificate, medical certificate, authorization, or
license issued by the FAA to present it for inspection
upon a request from TSA.

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Sample SIDA Warning Sign