Federal Aviation Administration August 10, 2011 – Federal Register Recent Federal Regulation Documents

This notice announces the issuance of Advisory Circular (AC) 20-24C, Approval of Propulsion Fuels and Lubricating Oils. This AC provides guidance on regulations and policy applicable to adding fuels and oils to type certificates as engine, aircraft, or auxiliary power unit (APU) operating limitations. It also provides acceptable methods, but not the only methods, that may be used to approve aircraft, engines, or APUs to operate with specified propulsion fuels and lubricating oils.

This action proposes to amend Class D and Class E airspace at Northeast Philadelphia Airport, North Philadelphia, PA, due to the closing of Willow Grove Naval Air Station and Warminster NAWC. This action would enhance the safety and airspace management of Instrument Flight Rules (IFR) operations in the North Philadelphia, PA airspace area.

This action proposes to establish Class E Airspace at Palmyra, PA, to accommodate new Area Navigation (RNAV) Global Positioning System (GPS) Standard Instrument Approach Procedures at Reigle Field. This action would enhance the safety and airspace management of Instrument Flight Rules (IFR) operations at the airport.

This action proposes to establish Class E airspace at Tatitlek, AK. The creation of a standard instrument approach procedure at the Tatitlek Airport has made this action necessary to enhance safety and management of Instrument Flight Rules (IFR) operations.