one sentence is wrong

[MEGAEINSTEIN]

sea zone adjacent to a rerritory with one ic.

Which sentence is wrong?

you can place during the placing new units phase:

new planes on new aircraftcarrier
old planes on a new aircraftcarrier
new planes on old aircraftcarrier

[special forces]

i see  3 correct sentences and 1 wrong word 

[Rorschach]

All correct *With a clarification* to the 2nd one.

Old planes on a new carrier IF those planes were moved into the sea-zone during the non-combat movement phase prior to placing new units.

[MEGAEINSTEIN]

Excellent guys, you found the riddle.