Airworthiness Directives; Boeing Model 737-100, -200, -200C, -300, -400, and -500 Series Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This proposed AD would require repetitive inspections to detect cracks in the vertical beam webs of the body station (BS) 178 bulkhead, and corrective actions if necessary. This proposed AD also would require a terminating modification for the repetitive inspections. This proposed AD results from reports of numerous cracks in the vertical beam webs. We are proposing this AD to prevent fatigue cracks in certain vertical beam webs, which could result in loss of structural integrity of the BS 178 bulkhead, and consequently could impair the operation of the control cables for the elevators, speed brakes, and landing gear, or could cause the loss of cabin pressure.
Dealer's Aircraft Registration Certificates
The Federal Aviation Administration will begin assigning permanent Dealer's Aircraft Registration Certificate numbers to manufacturers and dealers who currently hold an unexpired dealer's certificate and any new issuances.
Modification of Class E Airspace; Scott City, KS.
This document confirms the effective date of the direct final rule which revises Class E airspace at Scott City, KS.
Modification of Class E Airspace; Mason City Municipal Airport, IA
This action amends Title 14 Code of Federal Regulations, part 71 (14 CFR 71) by revising Class E airspace areas at Mason City Municipal Airport, IA. A review of the Class E airspace surface area and the Class E airspace area extending upward from 700 feet above ground level (AGL) revealed neither area complies with criteria in FAA Orders. These airspace areas and their legal descriptions are modified to conform to the criteria in FAA Orders.
Approval of Noise Compatibility Program for Buffalo Niagara International Airport, NY
The Federal Aviation Administration (FAA) announces its findings on the noise compatibility program submitted by the Niagara Frontier Transportation Authority (NFTA) under the provisions of 49 U.S.C. (the Aviation Safety and Noise Abatement Act, hereinafter referred to as ``the Act'') and 14 CFR Part 150. These findings are made in recognition of the description of Federal and nonfederal responsibilities in Senate Report No. 96-52 (1980). On September 7, 2005 the FAA determined that the noise exposure maps submitted by the Niagara Frontier Transportation Authority under Part 150 were in compliance with applicable requirements. On March 3, 2006, the FAA approved Buffalo Niagara International Airport's noise compatibility program. Most of the recommendations of the program update were approved. Four measures were disapproved for Part 150 purposes.
Aging Aircraft Program: Widespread Fatigue Damage
This action is intended to prevent widespread fatigue damage by proposing to require that design approval holders establish operational limits on transport category airplanes. Design approval holders would also be required to determine if maintenance actions are needed to prevent widespread fatigue damage before an airplane reaches its operational limit. Operators of any affected airplane would be required to incorporate the operational limit and any necessary service information into their maintenance programs. Operation of an affected airplane beyond the operational limit would be prohibited, unless an operator has incorporated an extended operational limit and any necessary service information into its maintenance program.