: Boom Supersonic is developing its own airliner, Overture , which is optimized for speeds of Mach 1.7 (approx. 1,300 mph). In early 2025, Boom’s XB-1 demonstrator successfully broke the sound barrier, marking a significant milestone toward their goal of commercial service by 2029.
The Return of the Sonic Boom: Is Supersonic Travel Finally Ready for Takeoff? supersonic
: Through its Quesst mission , NASA is testing the experimental X-59 aircraft , designed to replace the boom with a quiet "thump". By using a long, 38-foot nose and unique airframe shaping, the plane aims to reduce the perceived noise level to about 75 decibels —roughly equivalent to a neighbor closing a car door. : Boom Supersonic is developing its own airliner,