Federal Aviation Regulations
Sec. 133.13 — Duration of certificate.
Unless sooner surrendered, suspended, or revoked, a Rotorcraft External-Load Operator Certificate expires at the end of the twenty-fourth month after the month in which it is issued or renewed.[Doc. No. 15176, 42 FR 24198, May 12, 1977, as amended by Amdt. 133–7, 42 FR 32531, June 27, 1977; Amdt. 133–9, 51 FR 40707, Nov. 7, 1986]
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