§ 61.53 Prohibition on operations during medical deficiency.
(a) Operations that require a medical certificate. Except as provided for in paragraph (b) of this section, a person who holds a current medical certificate issued under part 67 of this chapter shall not act as pilot in command, or in any other capacity as a required pilot flight crewmember, while that person:
(b) Operations that do not require a medical certificate. For operations provided for in §61.23(b) of this part, a person shall not act as pilot in command, or in any other capacity as a required pilot flight crewmember, while that person knows or has reason to know of any medical condition that would make the person unable to operate the aircraft in a safe manner.
(c) Operations requiring a medical certificate or a U.S. driver's license. For operations provided for in §61.23(c), a person must meet the provisions of—
[ 62 FR 16298, Apr. 4, 1997, as amended by Amdt. 61–110, 69 FR 44866, July 27, 2004]