Here is the full list of all 50 Top Gun: Hard Lock trophies - there are 38 bronze, 9 silver, 2 gold and 1 platinum.
Collect all other trophies
Win a co-op mission with at least one other player
Reach Fleet Admiral rank
Destroy a super-manoeuverable aircraft while flying an attack aircraft
Score 10 "Got Your Frag" bonuses whilst destroying a target in a hard lock.
Fly every aircraft in the game at least once
Get gold stars on all 15 campaign missions
Complete any Danger Zone mission
Complete bonus mission - You Can Be Mine
Fire every weapon in the game at least once
Complete mission 14 - The Big One
Fly a total of 20,000km
Complete all stealth sections in the game without being detected
Win the trophy in mission 12 - TOPGUN
Buzz the tower in five different missions
Complete mission 11 - Off Mission
Destroy 10 bunkers
Get silver or gold stars on 10 campaign missions
Destroy 25 aircraft using only guns
Destroy 25 armoured vehicles
Complete mission 06 - High Value Targets
Complete a Danger Close objective without damaging any allies
Complete any campaign mission without dying, after being below 25% health
Score 10 "Got Your Six" bonuses for destroying a target in a hard lock.
Destroy 5 enemies with a single shot
Complete mission 04 - Alert Five
Score 10 "Assist" bonuses for damaging an aircraft that an ally destroys
Destroy 100 aircraft
Destroy 5 bombers by destroying their engines with guns
Score 10 "Close Quarters" bonuses for destroying aircraft within 1000m
Spend more than 5 minutes flying within 200m of the ground
Destroy 25 aircraft in Hard Lock mode
Perform 100 barrel rolls
Spend more than 5 minutes flying with afterburner activated
Defeat Maverick in mission 02 - Best Of The Best
Buzz the tower in any mission
Destroy 5 target drones
Destroy 25 aircraft using missiles
Destroy 25 aircraft
Replay any campaign mission and improve your score
Win 10 hard lock manoeuvres in a row
Successfully evade 10 missiles in a row
Score 10 "Payback" bonuses for destroying the last player who killed you
Successfully evade a missile
Destroy an enemy aircraft with guns while barrel rolling
Get a Kill Streak of 5 in a Deathmatch or Team Deathmatch game
Destroy 5 aircraft
Complete mission 01 - Welcome To The Gulf
Make a successful landing on your first attempt in any mission
Get your first air-to-air combat kill