Category IIIB (CAT IIIB) operation
urn:aero:airm:1.0.0:ContextualModel:ATMBusinessTerms:Category_IIIB_(CAT_IIIB)_operation
A precision instrument approach and landing with: a) a decision height lower than 15 m (50 ft) or no decision height; and b) a runway visual range less than 200 m but not less than 50 m.
Source:
ICAO
Abbreviations:
CAT IIIB