14 CFR · Part 135
14 CFR § 135.121
Alcoholic beverages.
(a)
No person may drink any alcoholic beverage aboard an aircraft unless the certificate holder operating the aircraft has served that beverage.
(b)
No certificate holder may serve any alcoholic beverage to any person aboard its aircraft if that person appears to be intoxicated.
(c)
No certificate holder may allow any person to board any of its aircraft if that person appears to be intoxicated.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
Primary Source