Regulations last checked for updates: Nov 23, 2024

Title 14 - Aeronautics and Space last revised: Nov 21, 2024
All TitlesTitle 14Chapter IPart 137Subpart B - Subpart B—Certification Rules
View all text of Subpart B [§ 137.11 - § 137.23]
§ 137.21 - Duration of certificate.

An agricultural aircraft operator certificate is effective until it is surrendered, suspended, or revoked. The holder of an agricultural aircraft operator certificate that is suspended or revoked shall return it to the Administrator.

authority: 49 U.S.C. 106(g), 40103, 40113, 44701-44702
source: Docket No. 1464, 30 FR 8106, June 24, 1965, unless otherwise noted.
cite as: 14 CFR 137.21
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