What type of information does the ATIS specifically circulate?

The correct response identifies that the ATIS, or Automatic Terminal Information Service, is specifically designed to circulate essential airfield and airspace information. This includes crucial details such as current weather conditions, runway usage, flight activity, available services, and other relevant operational data that pilots need prior to landing or takeoff.

This type of information is vital for ensuring safety and efficiency in airport operations, as it provides pilots and other flight personnel with the necessary data to approach and navigate the airspace surrounding an airport safely. The real-time updates help in making informed decisions during flight operations.

The other options are not aligned with the primary purpose of ATIS. Passenger flight information, while important, is not the focus of ATIS; instead, it relates more to passenger services. Emergency contact information for airport personnel pertains to safety protocols but is managed through different communication channels, and airline-specific promotions do not fall within the operational scope of ATIS, as it deals with essential flight and air traffic management information instead.