Final answer:
Flight personnel cannot consume alcohol 12 hours before their flight to ensure passenger safety and maintain professionalism.
Step-by-step explanation:
Flight personnel cannot consume alcohol 12 hours before their flight.
This restriction is put in place to ensure the safety of passengers, as alcohol can impair judgment and coordination. Consuming alcohol before a flight increases the risks associated with emergency situations and can affect the performance of flight personnel.
By adhering to this policy, airlines aim to maintain a high level of professionalism and safety throughout the entire duration of the flight.