Federal Aviation Administration May 25, 2021 – Federal Register Recent Federal Regulation Documents

Airworthiness Directives; Bell Textron Canada Limited Helicopters
Document Number: 2021-10909
Type: Proposed Rule
Date: 2021-05-25
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for certain Bell Textron Canada Limited Model 505 helicopters. This proposed AD was prompted by three occurrences of metallic debris in the engine oil lubrication system causing the 12 volts direct current (VDC) reference voltage to be shorted to ground and loss of important flight information to the pilot. This proposed AD would require replacing a certain part-numbered relay panel assembly. The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Leonardo S.p.a. Helicopters
Document Number: 2021-10908
Type: Proposed Rule
Date: 2021-05-25
Agency: Federal Aviation Administration, Department of Transportation
The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. This proposed AD was prompted by two events of uncommanded emergency flotation system (EFS) deployment during flight. This proposed AD would require replacing certain part-numbered EFS control panels and prohibit installing them. The FAA is proposing this AD to address the unsafe condition on these products.
Amendment To Separate Terminal Airspace Areas From Norton Sound Low, Woody Island Low, Control 1234L, and Control 1487L Offshore Airspace Areas; Alaska
Document Number: 2021-10443
Type: Rule
Date: 2021-05-25
Agency: Federal Aviation Administration, Department of Transportation
This action withdraws the final rule published in the Federal Register on April 12, 2021 amending the following Offshore Airspace Areas in Alaska: Norton Sound Low, Woody Island Low, Control 1234L, and Control 1487L. The FAA has determined that withdrawal of the final rule is warranted since there are actions taking place to correct the terminal airspace contained in the Offshore airspace that may cause an overlap and further confuse general aviation and air traffic control.
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