What communication must be established prior to entering Class C airspace from a satellite airport without an operating control tower?

Establishing communication with the ATC serving facility is essential prior to entering Class C airspace, especially from a satellite airport that does not have an operating control tower. Class C airspace is designed to provide a controlled environment for aircraft operating within, and it requires a two-way radio communication with Air Traffic Control (ATC). This ensures that pilots receive necessary instructions and traffic advisories, which are critical for maintaining safety and situational awareness in busy airspace.

Without communicating with the appropriate ATC facility, a pilot would lack access to vital information regarding other aircraft in the area, as well as guidance on entry and departure procedures for the Class C airspace. Establishing this communication is not only a regulatory requirement but also a best practice for operational safety.

Other options do not address the specific requirement for communication within Class C airspace. For instance, informing ground control at the home airport may be relevant but does not suffice for entering Class C airspace. Requesting clearance from Class B airspace applies only if a pilot is approaching Class B airspace, which is not the case here. Finally, communicating with nearby aircraft might provide some situational awareness but does not fulfill the regulatory requirement of two-way communication with ATC, which is integral to