Federal Aviation Administration June 3, 2013 – Federal Register Recent Federal Regulation Documents

This action extends the comment period set out in the notice concerning data and information policy that was published on May 1, 2013. In that document, the FAA proposed its data and information distribution policy and sought comment. This extension is a result of formal requests from the public to extend the comment period to the proposal. This extension is necessary to afford all interested parties an opportunity to present their views on the proposed policy.

This action proposes to amend Class E airspace at Muldrow Army Heliport, Lexington, OK. Changes to military mission requirements require conversion of the Class E surface area to a Class E transition area. The FAA is taking this action to enhance the safety and management of Instrument Flight Rules (IFR) operations for standard instrument approach procedures at the airport.

This action proposes to amend Class D airspace at Grand Forks Air Force Base (AFB), Grand Forks, ND. Changes to the airspace description are necessary due to changes in air traffic control tower operating hours. The FAA is taking this action to enhance the safety and management of Instrument Flight Rules (IFR) operations for standard instrument approach procedures at the airport.

The FAA is issuing this notice to advise the public of the meeting of the RTCA Special Committee 223, Airport Surface Wireless Communications.

We propose to supersede an existing airworthiness directive (AD) that applies to certain The Boeing Company Model 747-100, 747- 100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747SR, and 747SP series airplanes. The existing AD currently requires repetitive inspections for skin cracks at the shear tie end fastener locations of the fuselage frames, and repairing cracks if necessary. Since we issued that AD, additional cracking has been found on an airplane not affected by the existing AD. This proposed AD would also require repetitively inspecting for skin cracks next to the shear tie on airplanes with certain existing repair doublers, and corrective actions if necessary. This proposed AD would also revise the applicability to include additional airplanes. We are proposing this AD to detect and correct fatigue cracks in the fuselage skin that can propagate and grow, and result in reduced structural integrity and sudden decompression of the airplane in flight.