Avionics FAQs

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Avionics FAQ

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Since the Sandel ST3400 can display traffic information, can it substitute one of the TCAS/IVSI indicators in a TCAS II system?

In most cases, aircraft that require TCAS II must have 2 dedicated TCAS/IVSI indicators that display Resolution Advisories (RA). While the ST3400 can display traffic information from a TCAS II system, it cannot be a substitute for either of the dedicated TCAS indicators within the TCAS II system.