XB-1 Supersonic Test Flight Mission

The countdown is on. The XB-1 team is ready for its first supersonic test flight. In this mission, XB-1 will climb to an altitude of 34,000 feet and reach speeds of Mach 1.1. Here is a breakdown of the key mission events.

Countdown to Takeoff

  • T-15 Minutes Livestream Starts: Join to see the XB-1 team prepare the aircraft for the supersonic test flight
  • T-10 Engine Start: Three engines are started followed by pre-taxi checks
  • T-0 Mission Start: The crew chief pulls the chocks and final pre-taxi checklist items are completed
  • T+2 Taxi to Runway: XB-1 proceeds to the runway
XB-1’s flight path through the supersonic corridor over Mojave

Takeoff and Supersonic

  • T+14 Takeoff: Control room calls for brake release and XB-1 initiates takeoff
  • T+17 Climb: XB-1 ascends and sets up for the turn, preparing for the supersonic test run
  • T+25 Supersonic Test: At 34,000 feet, the aircraft will accelerate to Mach 1.1, breaking the sound barrier
  • T+29 Decelerate and Descend: After the supersonic test, XB-1 will slow down and set up for landing
  • T+38 Approach and Landing: The Landing Signal Officer guides XB-1 down for a safe landing

Join the Livestream

Gain insights from the XB-1 flight team and watch XB-1 break the sound barrier. The livestream of the test flight is planned for Tuesday, January 28, 2025 at 7:45am PST/10:45am EST/3:45pm GMT.*

Watch here

*Please note that flight date and time may change for mission safety or weather considerations.

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