The CDC on April 2 stated that fully vaccinated travelers can travel safely within the U.S., do not need to self-quarantine, and can skip testing before or after travel unless it is a requirement for their destination. 

The UK government has announced plans to increase its Air Passenger Duty (APD) tax on all departing passengers. 

Operators of Airbus A330s with certain Pratt & Whitney PW4000-100-in. engines face mandatory replacements of air-seal assemblies to prevent a scenario that has led to low-pressure turbine blade failures and several in-service incidents. 

The ground-based air navigation infrastructure is aging and in need of repair, industry and FAA speakers warned March 31 at the U.S. Chamber of Commerce Aviation Summit.

Taiwan has started a leisure travel bubble with the Pacific island state of Palau, with the first flight commencing April 1. 

Civil Aviation Authority of Vietnam (CAAV) has presented a proposal to the transport ministry, recommending steps to resume full international service. 

Navigation system suppliers have aligned to lobby the U.S. government for increased investment in legacy ground-based navigational aids.

Associations representing manufacturers, suppliers and repair stations are urging the U.S. Transportation Department (DOT) to quickly stand up the recently enacted payroll support program (PSP) aimed at companies that have not benefitted from similar, previous packages.