The Plasma Frigate is Team Plasma's HQ and transport in Pokemon Black 2 and Pokemon White 2.
First Appearence
It is first seen in Castelia City whenHugh notices it not knowing what it really was or what it was for.
Second Appearence
It secondly appear in Driftveil City where the player gets on it for the first time tiggering an ambush by Team Plasma meeting Zinzolin. The player, Hugh andCheren must battle multiple Team Plasma Grunts.
Third Appearence
Thirdly appear in Opelucid City, where Zinzolin is using its weapon to freeze the city in pursuit for the DNA Link Pin.
Fourth Appearence
Marlon finds the ship near Seaside Cave in its forth appearance.Colress gives the player the Colress Machine on Route 22 to move a Crustle in Seaside Cave out of the way of the path of the ship's location. You will have access to B1F where one the Grunts will register Reshiram or Zekrom into your Pokedex. This when the player find out the ship's "engine"(Kyurem) which can be seen below floor cage on B2F below Storage Room. The Shadow Triad put the player off the ship.
Fifth Appearence
It then travels to Giant Chasm as a last location where you has access to B2F. B2F is also version exclusive on how to release all the lasers. Pokemon Black 2 Version uses passwords, but Pokemon White 2 Version uses warp panels and switches. B2F is also where the player battles Colress where he mentions he was asked by "him"(Ghetsis) to help with research on Pokemon. The player will meet Ghetsis in his office watching everthing on his camras. Ghetsis mentions freezing the Unova calling Kyurem an "Empty Existence"(making all Kyurem's legends to be true and that it is really an incomplete dragon) He flees with Kyurem to Deep Cave of Giant Chasm where the player is left ot fight the Shadow Triad on the ship in order to pursue after Ghetsis.
Sixth Appearence
After the player beats the game it is accesible atP2 Laboratory where Colress can be rebattled any time, who wants to atone for his actions. After rebattling him for the first time,he will give you a secondMaster Ball. Also aboard are many Plasma Grunts who also want to atone for their actions.