Section 63.31 - Eligibility requirements; generalTo be eligible for a flight engineer certificate, a person must-
(a) Be at least 21 years of age;(b) Be able to read, speak, and understand the English language, or have an appropriate limitation placed on his flight engineer certificate;(c) Hold at least a second-class medical certificate issued under part 67 of this chapter within the 12 months before the date he applies, or other evidence of medical qualification accepted for the issue of a flight engineer certificate under § 63.42 ; and(d) Comply with the requirements of this subpart that apply to the rating he seeks.Doc. No. 6458, 30 FR 14559, Nov. 23, 1965, as amended by Amdt. 63-9, 33 FR 18614, Dec. 17, 1968 Sec. 6, 80 Stat. 937, 49 U.S.C. 1655