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CATEGORY A - The Aircraft REQUIRES NICO TYPE-APPROVED REGULATED MODELS (with some exceptions), they must file AAIR’s (Annual Airworthiness Information Report) and are sent copies of applicable AD’s (Airworthiness Directives) . Any model found on a CATEGORY A type approved aircraft NOT having a NICO type approval, will get sent to the NOT report.
CATEGORY B - NON TYPE-APPROVED RULES APPLY to these aircraft, as outlined below (TC EXCEPTIONS) The models on these aircraft are not routed to the NOT report, unless they are found on a single CATEGORY A type aircraft.
List of TC EXCEPTIONS used for TATC codes
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