Full list of all 50 Apache: Air Assault achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
Win all Squad Operations missions in any flight mode
Complete the Campaign and Squad Operations
Unlock all skins for all helicopters
Finish Salcedo Chapter on Realistic or Veteran difficulty
Finish Lualia Chapter on Realistic or Veteran difficulty
Finish Tazirstan Chapter on Realistic or Veteran difficulty
Win the “Domination” mission in Squad Operations
Complete free flight on each helicopter
Won any mission on Veteran difficulty
Completed the Campaign
Completed specific mission objective in Ship of Fools
Completed specific mission objective in Turkey Shoot
Killed 9 enemy air units with the FIM-92 Stinger missiles
Unlock twenty decals
Completed "A Damn Shame"
Completed specific mission objective in Rain in the Desert
Completed all secondary objectives in Campaign Mode
Completed specific mission objective in City on Fire
Completed specific mission objective in A Diamond in the Rough
Completed specific mission objective in Sunshine Units
Completed specific mission objective in On the X
Completed specific mission objective in The Gang’s All Here
Completed specific mission objective in Over and Out
Complete a specific mission objective in Whiteout in Local Co-op mode
Win any 3 missions from the Campaign in Local Co-op on any difficulty
Complete a specific mission objective in Holidays in Hell in Local Co-op mode
Complete a specific mission objective in The River Deep in Local Co-op mode
Complete a specific mission objective in Lord of War in Local Co-op mode
Completed a landing on a landing zone in Realistic or Veteran Mode
Killed 114 enemy ground units with the AGM 114 Hellfire missiles
Did a barrel roll
Win one Squad Operations mission in Xbox LIVE Co-op mode
Played one mission entirely in cockpit view
Enable setting “Control Turret in Zoom” and kill 5 enemy infantry by gun in this mode
Completed specific mission objective in Sharks in the Water
Avoided 15 incoming missiles by using anti-missile defense system
Killed 8 ground units with a Hellfire ripple shot
Used satellite view on each location
Using the 30mm cannon, kill 20 enemy infantry without letting go of the trigger
Killed 70 enemy ground units with the Hydra 70 rockets
Played the Credits
Killed 30 enemy ground units with the 30mm cannon
Unlocked all chapters
Completed any mission without dying on any difficulty
Completed specific mission objective in The Sky is Burning
Started “The Sky is Burning” mission
Watched a replay
Completed “Takeoff” mission
Submitted your data to all leaderboards
Killed 10 enemy infantry in FLIR view