Home' RTCA Documents for Review : DO-230H FRAC Contents Appendix B
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AES – Advanced Encryption Standard – [Reference: Encryption Standards]
AIP – Airport Improvement Program – An FAA function that provides funding for certain airport planning
and development projects at airports included in the National Plan of Integrated Airport Systems (NPIAS)
AMOLED – Active Matrix Organic Light Emitting Diode display, a technology which stacks cathode,
organic, and anode layers on top of another in a continuous, discrete “dot” pattern wherein the pixels turn
on-and-off faster than the speed of conventional motion picture film – making these displays ideal for fluid,
Analog – A video signal made of a continuous electrical signal. Televisions and VCRs can be analog video
devices. To be stored and manipulated on a computer, analog video must be converted to digital video.
Annunciate – To report the state of a security object (such as an event or input) on an event or general
Annunciator – An audible and visual signaling device.
ANSI – The American National Standards Institute develops standards for transmission storage, languages
and protocols and represents the United States to the ISO (International Organization for Standardization).
Anti-Passback (Anti-Tailgating) – Requires readers be used for both entry and exit in order to prevent re-
entry to protect against more than one person from using the same access form factor or number.
Aperture – The lens opening that controls the amount of light that reaches the image sensor.
API – Application Programming Interface, files to interface to a particular programming language
AOA – Air Operations Area is required by 49 CFR § 1542.203. Security of the air operations area (AOA)
requires the airport operator to implement a security program to establish, prevent, detect and respond by
means (signage, fences, security systems) and measures (training, patrolling) any unauthorized entry,
presence, and movement of individuals and ground vehicles into or within the AOA entry.
AOC – Airport Operations Center
AOSSP – Aircraft Operator Standard Security Program
APB – Anti-‘PassBack’ [Reference: Anti-Passback]
ASCII – American Standard Code for Information Exchange is a common data communications format
for communications to ensure readability by the application layer.
ASP – Airport Security Program is an airport-customized description of the methods, means and measures
devised to ensure the airport is in compliance with federally-required security requirements.
ASSIST – Airport Security System Integrated Support Testing Program, a collaborative effort between all
US commercial service airports, the Transportation Security Administration (TSA), Federal Aviation
Administration (FAA), Airports Council International-North America (ACI-NA), American Association of
Airport Executives (AAAE), Airport Consultants Council (ACC), and the Safe Skies Alliance.
ATSA – Aviation Transportation Security Act (ATSA, Public Law. 107–71 November 19, 2001) enacted by
the 107th United States Congress in the immediate aftermath of the September 11, 2001 terrorist attacks on
the US. The Act created the Transportation Security Administration (TSA) within the (US) Department of
Transportation. With the passage of the Homeland Security Act, the TSA was later transferred to the
Department of Homeland Security under legislation (S. 1447).
Assurance – Confidentiality, integrity, availability and accountability of access control credentials used to
assure the user that the PACS object will be held and maintained safely and reliably
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