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previous testing. All difficulties should be documented in a Problem Tracking Report (PTR) system and
the ISSA provider should respond with documented resolutions to all PTRs.
Testing of Revisions or Upgrades
The organization and sequence of tests for a project that replaces or upgrades an existing ISSA will often
deviate from these testing recommendations, depending on the capabilities of both the existing system and
new upgrades, and the potential for unforeseen conflicts and/or site-specific modifications. For any upgrade
project, a key consideration is maintaining the continuous operation of the airport and the ISSA during the
transition between systems. An orderly and practical transition may require several individual acceptance
tests focused on portions of the system as they come on-line, spread over the entire transition period. Once
transition is completed, a full final integrated system level acceptance test is still required.
System Test Procedure Development (STProc)
The System Test Procedure (STProc) document contains the detailed steps employed to verify system
requirements. For each test case identified in the STPlan, a test procedure providing a detailed description
of the test steps executed by the system testers is supplied. In addition, for each requirement contained
within the test case, the step at which that requirement is considered verified within the procedure is
The contractor is responsible for developing the STProc, which should be approved by the Procuring
System Qualification and Acceptance Testing (SQT)
SQT should occur at the contractor’s facility. SQT is also called Factory Acceptance Test (FAT).
All system requirements that are not dependent on the site installation should be tested and verified at this
time. It is also recommended that key operational parameters that may be site- dependent be tested, to the
extent possible, using simulators. A performance/load test should also be performed, during which the
system is stressed by employing maximum values for key parameters, such as the maximum alarm rate.
The contractor should perform a preliminary SQT before conducting the formal SQT to ensure the system
is ready for formal SQT. A Test Readiness Review (TRR) should be held with Procuring Authority
personnel to review the preliminary SQT results. The Procuring Authority should review and approve the
TRR results before proceeding to formal SQT.
A post-test review should be held after the completion of each test procedure to status the verification
results. The contractor should produce a final SQT report containing the verification status of each system
requirement tested. Any problems identified during SQT should be noted. The Procuring Authority should
review and approve the SQT Report.
Site Installation Testing (SIT)
SIT occurs after the equipment is installed at the site. SIT is also called Field Acceptance Test. The purpose
is to ensure the equipment is properly installed and operating with the site-specific configuration data in
place. The contractor demonstrates that the installed hardware and software components comply with
contractual requirements. All site-dependent parameters should be tested and verified at this time. In
addition, a regression test of key requirements verified during SQT should be performed as part of ensuring
proper operation at site.
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