Federal Aviation Administration February 13, 2012 – Federal Register Recent Federal Regulation Documents
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Advisory Circular: Public Aircraft Operations
This notice announces the availability of a proposed revision to Advisory Circular 00-1.1 regarding public aircraft operations. This advisory circular provides information for any person who engages in public aircraft operations as defined by statute.
Revision of Class D and Class E Airspace; Hawthorne, CA
This action revises Class D and Class E airspace at Jack Northrop Field/Hawthorne Municipal Airport, Hawthorne, CA. Additional controlled airspace is needed to accommodate aircraft departing and arriving under Instrument Flight Rules (IFR) at the airport. Also, the airspace designations are revised to show a new city location. This action is a result of the FAA's biennial review, along with a study of the Jack Northrop Field/Hawthorne Municipal Airport airspace area that further enhances the safety and management of aircraft operations at the airport.
Public Notice for Waiver for Aeronautical Land-Use Assurance at Will Rogers World Airport, Oklahoma City, OK
The Federal Aviation Administration (FAA) is considering a proposal to change a portion of the airport from aeronautical use to nonaeronautical use and to authorize the conversion of the airport property. The proposal consists of three parcels of land containing a total of approximately 127 acres located on the east side of the airport between South Portland Avenue and Interstate Highway 44. These parcels were originally acquired under the following grants: Airport Improvement Program (AIP) Nos. 3-40-0072-03 and 3-40-0072-07 in 1990; AIP No. 3-40-0072-23 in 1992; and AIP No. 3-40-0072-24 in 1993. The land comprising these parcels is outside the forecasted need for aviation development and, thus, is no longer needed for indirect or direct aeronautical use. The Airport wishes to develop this land for compatible commercial, nonaeronautical use. The income from the conversion of these parcels will benefit the aviation community by reinvestment in the airport. Approval does not constitute a commitment by the FAA to financially assist in the conversion of the subject airport property nor a determination of eligibility for grant-in-aid funding from the FAA. The disposition of proceeds from the conversion of the airport property will be in accordance with FAA's Policy and Procedures Concerning the Use of Airport Revenue, published in the Federal Register on February 16, 1999. In accordance with section 47107(h) of title 49, United States Code, this notice is required to be published in the Federal Register 30 days before modifying the land-use assurance that requires the property to be used for an aeronautical purpose.
Airworthiness Directives; Airbus Airplanes
We are adopting a new airworthiness directive (AD) for all Airbus Model A340-600 series airplanes. This AD requires modifying the fire extinguishing system from a three-bottles solution with 4 flow metering compact unit into a two-bottles solution with 2 flow metering systems equipped with upgraded water absorbing filter elements. This AD was prompted by reports of partial blockage of a certain water absorbing filter element. We are issuing this AD to prevent partial blockage of a certain water absorbing filter element, which could lead to reduction of the halon outflow, which leads to incapacity to maintain fire extinguishing agent concentration. Combined with fire, this condition could result in an uncontrolled fire in the affected compartment.
Airworthiness Directives; The Boeing Company Airplanes
We are adopting a new airworthiness directive (AD) for all Model 747SP series airplanes. This AD was prompted by a report of a rudder hard-over event on a Model 747-400 series airplane, caused by a rudder power control module (PCM) manifold cracking and separating in the area of the yaw damper cavity end-cap. This condition could result in a hard-over of the rudder surface leading to an increase in pilot workload and a possible high-speed runway excursion upon landing, in the event of failure of the lower or upper rudder PCM manifold. This AD requires replacing or modifying the upper and lower rudder PCMs. We are issuing this AD to correct the unsafe condition on these products.
Airworthiness Directives; The Boeing Company Airplanes
We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by a report that the top 3 inches of the aero/fire seals of the blocker doors on the thrust reverser torque boxes are not fireproof. This AD requires a one-time inspection to determine the part numbers of the aero/fire seals of the blocker doors on the thrust reverser torque boxes on the engines, and replacing affected aero/fire seals with new, improved aero/fire seals. We are issuing this AD to prevent a fire in the fan compartment (a fire zone) from migrating through the seal to a flammable fluid in the thrust reverser actuator compartment (a flammable fluid leakage zone), which could result in an uncontrolled fire.
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