Aircraft
Boeing 777X Arrives at Dubai
The twin-engine airliner is nearing type inspection authorization
Boeing 777X at Dubai Airshow 2023
Uniquely able to fold its wingtips, Boeing’s massive 777X can fit into the gates at any airport where current 777s now fly. (Photo: David McIntosh)

Boeing is approaching a key milestone in its progress toward certification of the 777X—type inspection authorization (TIA)—as it continues to target 2025 for U.S. FAA approval. The company brought flight test vehicle WH001, a 777-9, to the Dubai Airshow this week as it looks to build momentum and perhaps reassure customers about the program that has garnered orders for well over 300 of the widebodies.

TIA would kick off formal FAA participation in flight testing toward certification credit. The test program has already accumulated 3,000 hours and 1,000 cycles, and John Dyson, senior product and services marketing specialist for Boeing, said the company has already conducted most of the testing planned for the FAA certification flight trials in advance of TIA. 

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