I represent you model from the last.
Old Hasegawa kit and catapult cut from plastic.
Seagull
Painting pre-war, light cruiser Phoenix, 9th division of cruisers.
Catapult
P VI standard catapult military USA navy. It was used all war, on cruisers and battle ships. From Pearl harbor until the end of war.
Under it 4 float-operated scout, the spotter of fire are developed.
Curtiss Soc3 Seagull
Vought-Sicorsky OS2U Kingfisher
Curtiss Co3C Seamew
Curtiss Sc-1 Seahawk
Everything was built here and here:
catapult http://scalemodels.ru/modules/forum/viewtopic_t_39269_start_0.html
Seagull http://karopka.ru/forum/forum259/topic15251/
Catapult