Complete the following tasks to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", then "My profile", then "View all my games", then the game and view stats.

Centurion: Reach 100 "total aircraft landed".
Crowded Sky: Reach 20 "Most Aircraft on Screen".
First Flights: Land an aircraft on each airfield.
Helicopter Love: Land 3 helicopters in a row.
Holding Pattern: Keep the same aircraft in the sky for 3 minutes.
Jet Power: Land 10 jets in a game.
Perfect Timing: Land 3 aircraft at the same time.
Restrainer: Land no aircraft for 3 minutes.
Rush Hour: Land 5 aircraft within 10 seconds.
Safety Card: Read the game tutorial.
Veteran: Play 200 games in total.
Wings: Land 200 aircraft in a game.