Which regulation governs the limitations on flying after alcohol consumption?

The regulation that governs the limitations on flying after alcohol consumption is 91.17. This regulation specifically addresses the prohibition of operating an aircraft within a certain time frame after consuming alcohol and sets the legal blood alcohol concentration limit for pilots. According to this regulation, no person may act or attempt to act as a pilot in command or as a required pilot flight crewmember of a civil aircraft within 8 hours after consuming alcohol or while under the influence of alcohol.

This regulation is crucial for ensuring safety in aviation by preventing pilots from flying while impaired, which can have severe consequences. It highlights the importance of responsible alcohol consumption among aviation professionals and establishes clear guidelines to protect both pilots and passengers. The other regulations listed pertain to different aspects of aviation operations and do not specifically address the limitations related to alcohol consumption.