(under the class definition) Arrangements of fields, runways or platforms to receive aircraft in landing and to provide handling accommodations for aircraft.
64+, and 86+ for a building which may house aircraft. 114, Ships,
261, for ships and other floating structures particularly arranged to receive aircraft in landing or to transport or harbor them, as well as appliances and accessories peculiar to such ships and structures.
181, Acoustics,
210, for sound absorbing fences or screens used in deflecting, absorbing, or directing sound waves.
342, Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation),
33+, and 350+ for systems of directive beams of radio energy for guiding aircraft to their landing fields.
414, Material or Article Handling,
227+, for means for charging or discharging a parking facility for a wheeled vehicle.
