Data checked:
OK!Kuaizhou 1A | Traffic VDES A & B
> MISSION DATA
> MISSION BRIEFING // TECHNOLOGY
Two technology demonstration satellites for satellite transmissions of signals for the VHF Data Exchange System (VDES), a successor to the current Automatic Identification System (AIS) on ships and maritime vessels for traffic management at sea with higher bandwidth on new frequencies for secure communications and e-navigation. This project is a joint effort by the China Ministry of Transport's China Transport Telecommunications Information Center and SpaceSail, operator of the Qianfan/G60 constellation.
> SCHEDULE & SOURCE
Source-reported status: Launch Successful. The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Launch window: 2025-12-05 08:54:00 UTC — 2025-12-05 09:54:00 UTC.
Dates and windows may change. Passing the scheduled time does not confirm a launch outcome.
Launch data from The Space Devs
Understand launch windows and orbits · Launch provider guide