namespacing.rb

# app/services/flight_stats.rb
module FlightStats
  # ...
end

# app/services/flight_stats/request.rb
module FlightStats
  class Request
    # ...
  end
end

# app/services/flight_stats/airports.rb
module FlightStats
  class Airports
    # ...
    def self.active(params={})
      res = Request.new("#{base_path}/active", params).get
      parse(res)
    end
  end
end