CHAPTER ?.-AERODROME AND AIR NAVIGATION FACILITIES
Part 1. Aerodromes
(Aerodrome Type and Landing Area Category)
Article 75. Aerodromes are classified into four types: terrestrial aerodromes, heliports, aquatic aerodromes, and aquatic heliports.
2. Landing areas are categorized by runway length for both the terrestrial aerodrome and the terrestrial heliport, and by length of landing area for both the aquatic aerodrome and the aquatic heliport, as described in the following table: