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precision runway CAT III
avia., Canada	There are three types of precision runway CAT III: a CAT III A: Operations are conducted or intended to be conducted down to a runway visual range RVR not less than 600 ft no decision height (DH) being applicable. b CAT III B: Operations are conducted or intended to be conducted down to an RVR not less than 300 ft no DH being applicable. c CAT III C: Operations are conducted or intended to be conducted with no DH and no RVR limitations.

precision: 4 phrases in 1 subject

Abbreviation

4