See our testing on five 777-9 jets in several locations, including Washington, demonstrating the airplane's capabilities with: 🛫Takeoff performance testing ❄️ Certification testing with artificial ice shapes ⚙️ Engine starts certification testing ☀️ Hot-day certification testing 〰️ Resilience against electromagnetic interference Learn more about this rigorous process: https://www.boeing.com/features/2025/08/5-in-flight--see-the-full-777-9-fleet-in-action | Boeing in Washington

1.1K views · 90 reactions | Hear Bill Boeing recount how an historic flight that began on the waters of Lake Union more than 100 years ago brought the first international airmail to the US, and marked the beginning of an enduring Boeing-Canada partnership. | Boeing in Washington | Facebook