{"id":185574,"date":"2026-03-18T15:00:12","date_gmt":"2026-03-18T15:00:12","guid":{"rendered":"https:\/\/aviacionaldia.com\/?p=185574"},"modified":"2026-03-19T12:32:29","modified_gmt":"2026-03-19T12:32:29","slug":"boeing-777-9-certification-faa-authorizes-commencement-of-phase-4","status":"publish","type":"post","link":"https:\/\/aviacionaldia.com\/en\/2026\/03\/boeing-777-9-certification-faa-authorizes-commencement-of-phase-4.html","title":{"rendered":"Boeing 777-9 Certification: FAA Authorizes Commencement of Phase 4"},"content":{"rendered":"\n

The U.S. Federal Aviation Administration (FAA)<\/strong> has granted Boeing<\/strong> authorization to advance the 777-9 program<\/strong> into Phase 4A of its certification testing, according to a report by The Air Current<\/em>. This milestone represents critical progress for the long-range twin-engine jet, validating that various aircraft systems are finally ready for intensive evaluations\u2014both in the air and on the ground\u2014to demonstrate compliance with current aviation regulations.<\/p>\n\n\n\n

Progress in Type Inspection Authorization (TIA)<\/h2>\n\n\n\n

On Tuesday, March 17, the U.S. aviation authority authorized the manufacturer to proceed with the fourth of five stages that comprise the Type Inspection Authorization (TIA). This approval follows months of oversight and was anticipated by Boeing\u2019s Chief Financial Officer, Jay Malave, who had previously indicated during an investor conference that the green light was imminent.<\/p>\n\n\n\n

The manufacturer confirmed it has received permission to begin this specific sub-phase, allowing the program to maintain the necessary momentum following delays accumulated in previous years.<\/p>\n\n\n\n

\u2192 Boeing Outpaces Airbus in February Aircraft Deliveries<\/a><\/em><\/strong><\/p>\n\n\n\n

Structure and Complexity of Phase 4<\/h2>\n\n\n\n

The current stage of the certification process is not a single block; rather, it is divided into two strategic sections to optimize testing schedules:<\/p>\n\n\n\n