August 15, 2007 – Federal Register Recent Federal Regulation Documents

This notice announces the issuance of Advisory Circular (AC) 33.63-1, Turbine Engine Vibration. This advisory circular (AC) provides guidance and acceptable methods, but not the only methods, that may be used to demonstrate compliance with the vibration requirements of Sec. 33.63 of Title 14 of the Code of Federal Regulations (14 CFR part 33).

This action removes the Class E4 Airspace at Columbus Lawson Army Air Field (AAF), Columbus, Ga. This Class E4 airspace was associated with a Nondirectional Radio Beacon (NDB) Runway (RWY) 03 Standard Instrument Approach Procedure (SIAP), which has been cancelled, as RWY 03-21 has been permanently closed.

In this document, the Commission proposes rules to address issues that were left unresolved in the Commission's Second Report and Order, FCC 07-33. Specifically, the Commission seeks comment on how to ensure that the amount of subscription-based radio service is limited, whether the Commission can and should impose spectrum fees on portions of the digital bandwidth used by broadcasters to provide subscription services, whether statutory requirements and subscription regulations should apply to subscription-based services, whether any new public interest requirements should be imposed on digital audio broadcasters, whether enhanced public disclosure rules should apply to radio stations, and whether the rules regarding unattended stations should be reviewed and modified.