Which of the following frequencies is used for the runway operation 9L-27R?

For the operation of the runway 9L-27R at O’Hare Airport, the frequency designated for communication is 132.70. This frequency is typically used for ground and tower operations associated with that particular runway, ensuring that pilots and air traffic control (ATC) can communicate effectively regarding takeoffs, landings, and other important operational instructions.

Understanding the role of each specific frequency is crucial for safe and efficient airport operations. Frequencies are assigned to different runways or operations to manage air traffic, provide updates on weather conditions, relay instructions, and maintain overall situational awareness at the airport. Utilizing the correct frequency helps to minimize misunderstandings and potential conflicts between aircraft and ground services, making it essential for all pilots and operators to be knowledgeable about these specifics. Other frequencies listed may serve different runways or operations at O’Hare but are not applicable for the operation of runway 9L-27R.