Explain regulations related to communications enroute.

Explanation should include the following:

Radio communications are a critical link between pilot and controller in the ATC system.
When flying into airspace that is under the authority of ATC, two-way radio communication is mandatory unless prior arrangements have been made.
When a pilot receives instruction from ATC, the pilot must comply, unless compliance would violate regulations or create an unsafe condition. If the pilot cannot comply with instructions from ATC, the pilot must advise the controller as soon as possible.

PLT390

Process/Skill Questions: