Withdrawal of International Airport Designation of Chalk Seaplane Base

Status: No effective date given. The document does not state one. Read the source before relying on timing.

From the published effective date. Nothing here records a court changing it.

• Document number: 2026-17108
• Type: Proposed Rule
• Published: August 21, 2026
• Comments close: October 20, 2026
• Agency: Homeland Security Department; Energy Department; U.S. Customs and Border Protection

Official abstract

U.S. Customs and Border Protection (CBP) is proposing to withdraw the international airport designation of Chalk Seaplane Base, now operating as Miami Seaplane Base. This proposal is based on evidence that the facility at this location has not been in compliance with CBP regulatory and security standards and the amount of business clearing through the airport does not justify continued maintenance of inspection equipment and personnel. The proposed change is part of CBP's continued efforts to use its personnel, facilities, and resources more efficiently and to provide better service to carriers, importers, and the public.

Primary source

Read the full text on the Federal Register

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Data updated October 14, 2026