U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 14Chapter IPart 21Subpart E - Subpart E—Supplemental Type Certificates
View all text of Subpart E [§ 21.111 - § 21.120]
§ 21.111 - Applicability.

This subpart prescribes procedural requirements for the issue of supplemental type certificates.

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