14 C.F.R. § 135.253 Misuse of alcohol.
Title 14 - Aeronautics and Space
(a) This section applies to employees who perform a function listed in appendix J to part 121 of this chapter for a certificate holder or operator (covered employees). For the purpose of this section, a person who meets the definition of covered employee in appendix J is considered to be performing the function for the certificate holder or operator. (b) Alcohol concentration. No covered employee shall report for duty or remain on duty requiring the performance of safety-sensitive functions while having an alcohol concentration of 0.04 or greater. No certificate holder or operator having actual knowledge that an employee has an alcohol concentration of 0.04 or greater shall permit the employee to perform or continue to perform safety-sensitive functions. (c) On-duty use. No covered employee shall use alcohol while performing safety-sensitive functions. No certificate holder or operator having actual knowledge that a covered employee is using alcohol while performing safety-sensitive functions shall permit the employee to perform or continue to perform safety-sensitive functions. (d) Pre-duty use. (1) No covered employee shall perform flight crewmember or flight attendant duties within 8 hours after using alcohol. No certificate holder or operator having actual knowledge that such an employee has used alcohol within 8 hours shall permit the employee to perform or continue to perform the specified duties. (2) No covered employee shall perform safety-sensitive duties other than those specified in paragraph (d)(1) of this section within 4 hours after using alcohol. No certificate holder or operator having actual knowledge that such an employee has used alcohol within 4 hours shall permit the employee to perform or continue to perform safety-sensitive functions. (e) Use following an accident. No covered employee who has actual knowledge of an accident involving an aircraft for which he or she performed a safety-sensitive function at or near the time of the accident shall use alcohol for 8 hours following the accident, unless he or she has been given a post-accident test under appendix J of part 121 of this chapter, or the employer has determined that the employee's performance could not have contributed to the accident. (f) Refusal to submit to a required alcohol test. A covered employee may not refuse to submit to any alcohol test required under appendix J to part 121 of this chapter. An operator or certificate holder may not permit an employee who refuses to submit to such a test to perform or continue to perform safety-sensitive functions. [Amdt. 135–48, 59 FR 7396, Feb. 15, 1994, as amended by Amdt. 135–105, 71 FR 35765, June 21, 2006]
Title 14: Aeronautics and Space
PART 135—OPERATING REQUIREMENTS: COMMUTER AND ON DEMAND OPERATIONS AND RULES GOVERNING PERSONS ON BOARD SUCH AIRCRAFT
Subpart E—Flight Crewmember Requirements
§ 135.253 Misuse of alcohol.
