14 CFR § 133.13 - Duration of certificate.

---
identifier: "/us/cfr/t14/s133.13"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 133.13 - Duration of certificate."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "133.13"
section_name: "Duration of certificate."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "G"
subchapter_name: "AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS"
part_number: "133"
part_name: "ROTORCRAFT EXTERNAL-LOAD OPERATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 106(g), 40113, 44701-44702."
regulatory_source: "Docket 1529, 29 FR 603, Jan. 24, 1964, unless otherwise noted."
cfr_part: "133"
---


# 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.

[Docket 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]