[Launch Alert] Falcon 9 Sonic Boom Advisory

[Launch Alert]

The following is an announcement from SpaceX:

SpaceX Will Land Falcon 9 on Land During Upcoming OneWeb Launch 20 Mission

SpaceX is targeting Saturday, October 19 at 10:13 p.m. PT for Falcon 9's launch of the OneWeb Launch 20 mission to low-Earth orbit from Space Launch Complex 4 East (SLC-4E) at Vandenberg Space Force Base in California. If needed, there is a backup opportunity available on Sunday, October 20 at 10:08 p.m. PT.

About eight minutes after liftoff, Falcon 9's first stage will land on SpaceX's Landing Zone 4 (LZ-4) at Vandenberg Space Force Base, California. There is the possibility that residents of Santa Barbara, San Luis Obispo, and Ventura counties may hear one or more sonic booms during the landing, but what residents experience will depend on weather and other conditions.

SpaceX's live webcast will go live approximately 15 minutes before Falcon 9’s liftoff at spacex.com/launches.