is
Whether a known CoT type is in the Air battle dimension (the 3rd CoT atom is A, as in a-n-A-C-F).
Drives the aircraft-vs-non-aircraft dictionary selection in DictionaryProvider.selectDictId. Returns false for COTTYPE_OTHER and any value with no canonical string; use isAircraftString when only the raw type string is available.
Parameters
cot
one of the COTTYPE_* values.