According to me I think that the best air-crafts for Pakistan Naval Aviation would be as follows:
1. Fighter= F/A-18 E Super Hornet(Crew:1 Pilot)_(Speed:1.8+ Mach)_(Role:Fighter+Anti-Surface)
2. Transport= E-2 Hawkeye(Crew:2 Pilots, Combat Information Center Officer, The Air Control Officer and The Radar Operator)_(Speed:648 km/h)_(Role:Airborne Early Warning and Control)
3. Surveillance = i) PC-3 Orion(Crew:11)_(Speed:750 km/h)_(Role:Maritime Patrol Aircraft+Anti-Surface+Anti-Sub)
ii) P-8 Poseidon(Crew:2 Pilots, 7 Mission)_(Speed:907 km/h)_ (Role:Anti-Surface+Anti-Sub) INFORMATION: FOR ANTI-SUBMARINE WARFARE "P-8 Poseidon" USES MINES WHEARAS "PC-3 Orion" USES DEPTH CHARGES
4. Electronic Warfare= EA-18G Growler(Crew:2 Pilots)_(Speed:Mach 1.8)_(Role:Fighter+Electronic Warfare)
5. Helicopters=
i) Westland Lynx(Crew:2-3)_(Transport Capacity:10)_(Speed:324 km/h)_(Role:Anti-Surface+Anti-Sub+ Transport+Search & Rescue)
ii) SA 319 Alouette III(Crew:2)_(Transport Capacity:5)_(Speed:210 km/h)_(Role:Search & Rescue+Utility)
iii) Westland Sea King(Crew:2-4)_(Speed:208 km/h)_(Role:Transport+Anti-Sub)
iv) MH 60 R Sea Hawk(Crew:3-4)_(Transport Capacity:5)_(Speed:270 km/h)_(Role:Anti-Surface+Anti-Sub+Transport+Search & Rescue)
v) MH 60 S Knight Hawk(Crew:3-4)_(Transport Capacity:5)_(Speed:270 km/h)_(Role:Anti-Surface+Anti-Sub+Transport+Search & Rescue)