The Epic ships with two pilot cards (CR-90 and Raider currently) can you equip a Limited Upgrade (Gunnery Team for example) to both halves or only to one? For example, is this list legal so far?

CR90 Corvette (Fore) (50)
Raymus Antilles (6)
Ion Cannon Battery (6)
Quad Laser Cannons (6)
Sensor Team (4)
Gunnery Team (4)
Backup Shield Generator (3)
Jaina's Light (2)

CR90 Corvette (Aft) (40)
WED-15 Repair Droid (2)
Quad Laser Cannons (6)
Gunnery Team (4)
EM Emitter (3)

Total: 136

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I'm 99% certain that it is one per ship and that includes ships divided over two cards.

Only one copy of a limited upgrade per ship, even if it has multiple ship cards.

From the Huge ship rules, pg. 1, under "Huge Ship Sections":

Huge ships count as a single ship consisting of two bases, one ship token, and one or two Ship cards.

And from pg. 4, under "Limited Upgrades":

Some Upgrade cards are labeled “Limited.” A ship cannot equip multiple copies of the same card if that card is labeled as “Limited.”

Ah, I see. I missed the part under Sections where it defined explicitly what counts as the ship. That answers the question then, thanks.

Yeah the Tantive IV title really give you only one additional crew since the fore section already has 2 team slots and the aft section has a single team slot. With only 3 team upgrade cards and 2 of them being limited while the other not really offering any benefits to have 2 of them on the same ship.

As of now the extra team slot given by the Tantive IV is pretty much ignored.

Which irks me to no end. Really expected the raider to have the new crew team upgrade.

Anyway, the one card still provides its bonus to both sections despite being only equipped to one. It can't be transferred between sections in game. And is likely discarded after the section it is equipped too is crippled.