Time for some Franken-planes...
The SAAB Erieye AWACS:
The Fokker Maritime Patrol Aircraft:
^The thing on the right wing is a searchlight. SS Radar is under the fuselage. You might remember an Iranian one buzzed a US Carrier a few months ago, so expect an Iranian navy one with that stylish blue cammo they use.
The previous plane on steroids, the Fokker Maritime Enforcer
4 Torpedoes, 2 Exocet or Harpoon missiles, FLIR, Radar, Sonobuoys and associated sub hunting gear.