Changes to Production Certificates and Approvals; Notice of Availability of Proposed Advisory Circulars

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This notice announces the availability of and request for comments on proposed revisions to three FAA Advisory Circulars (ACs). The proposed revisions correspond to proposed regulatory changes outlined in the FAA's February 27, 2014, notice of proposed rulemaking (NPRM), Changes to Production Certificates and Approvals. Due to erroneous information in the docket that may have led commenters not to submit their views on the ACs, the FAA will accept comment on the three ACs only, and not on the regulatory changes proposed in the NPRM. The three ACs include: AC 21-43, Production Under 14 CFR Part 21, Subparts F, G, K, and O; AC 21-44, Issuance of Export Airworthiness Approvals Under 14 CFR Part 21 Subpart L; and AC 45-2, Identification and Registration Marking.