Sony has posted a reminder along with a video, in case you forgot, that the public beta for StarHawk opens tomorrow for PS Plus members.
Everything included in the beta is mentioned in the video posted below, along with Classic Arcade Flight-Mode, Host Migration, Language Support, Skills, Playstation Network Friend Integration, Bug Fixes, and more. Continued updates will be implemented throughout the public beta.
StarHawk public beta schedule for US and Europe can be found through a previous post on the matter.
The game launches on May 8.