Final answer:
The question involves aviation regulations on icing restrictions which prevent an aircraft from taking off under icing conditions unless it meets specific inspection and equipment standards to combat ice formation. Waiver authority refers to the person or entity that can legally provide exceptions to these rules.
Step-by-step explanation:
The question pertains to aviation regulations, specifically about icing restrictions concerning aircraft operations. It can be found in regulatory documents governing aeronautical operations such as the Federal Aviation Regulations (FARs) in the United States.
Under the FAR 91.527, it is prohibited to take off an airplane under icing conditions unless the aircraft has been inspected and found to be free of frost, ice, or snow adhering to any propeller, windshield, wing, or stabilizing or control surfaces.
Additionally, the aircraft must be equipped to prevent the formation of, or to quickly remove, any ice that may form during takeoff.
The phrase "Waiver Authority ____" refers to a specific entity or person who has the legal power to grant exceptions to these rules under certain conditions. However, such waivers are uncommon and subject to stringent guidelines.