Home' RTCA Documents for Review : DO-230H FRAC Contents 10
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An Integrated Security System for Airports (ISSA) is a holistic concept which defines capabilities for
physical area control and security incident management. An ISSA enables protection of personnel,
buildings, vehicles and resources that are sensitive within an airport environment. Thus, an ISSA provides
communications and services capabilities enabling positive access decisions, detection of events, and
response to anomalies and security events by appropriate responders.
An ISSA has two main components that specifically address access control, namely an Identity
Management and Credential System (IdM-CIS) to control and manage the issuance and maintenance of
access credentials to individuals, and a Physical Access Control System (PACS). An ISSA provides an
immediate, automated verification of identity to ensure that access is permitted or denied in keeping with
established privilege rights.
The elements of access control implemented with a PACS include portals, barriers, card readers, field
controllers and servers that control the entry of persons and identified vehicles and equipment into secured
areas. The operation of these components can be under manual and /or automated control(s). Typical
barriers to a secured area, for instance, are doors secured by locking mechanisms (such as key locks or
electromechanical or electromagnetic locks) as may require a key, access media, cipher, electronic or
electromagnetic media, a password or other means to open. The requirement that the authorized individual
possess media or knowledge in order to gain access is, thus, a valid element of access control.
Automated ISSA systems generally incorporate safeguards to detect unauthorized access attempts. These
may include, but are not limited to: tamper detection sensors, line security supervision, door monitor
switches, intercoms, authorization verification checking, personal identification number checking, personal
identity verification, historical personnel access attempts, two-door portals and closed circuit television
(CCTV) / video monitoring, recording and intrusion detection.
Since 2001, identity verifications and criminal history record checks together with employment background
checks are now required by federal regulations to improve the security to airports and the aviation system
as a whole. Integrated use of these types of credentials has increased PACS efficiencies.
With the steady increase in requirements issued by TSA through Security Directives (SD) and other means,
the increased role of the Transportation Security Clearing House and the introduction in 2007 of a Security
Threat Assessment (STA) of each individual seeking access onto U.S. airports, the various processes of
identity management have become progressively more complex and airport operators have adjusted their
implementation to automate and control the processes for identity management and access credential
At the same time, the processes of identity management are being fundamentally changed in other federal
government areas by the PIV program. As a result, this standard, in its Identity Management and Credential
Issuance section (IdM-CIS), contains extensive information about IdM-CIS functions and requirements in
support of current and anticipated future regulatory requirements, including the use of interoperable
credentials in airports.
As befits the need for better understanding of new and emerging technology, these areas are described in
considerably more detail in other sections of this document.
An ISSA may include an Intrusion Detection Systems (IDS) component responsible for detecting, assessing
and tracking unauthorized incursions into the Air Operations Area (AOA) and other exterior secured areas.
Section 6: Video Surveillance, and Section 9: Communications as required to support access controls in
detail these and other issues.
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