Here is the full list of all 32 Airport Madness 4 achievements.
Move 500 planes consecutively without a mishap.
Last for 5 minutes without a crash.
Have 3 midair collisions within any 30 second period.
Have 25 aircraft on the screen all at once.
Get rid of 20 planes within 3 minutes.
Land a massive rush of airplanes successfully.
Hit all targets within 60 seconds.
Have 10 collisions within a 5 minute period.
Make 3 planes collide simultaneously.
Move 50 planes at high speed.
Land no aircraft for 3 minutes.
Land 5 aircraft within any 30 second period.
Earn $2,000,000 at one airport.
Earn $1,000,000 at one airport.
Earn $500,000 at one airport.
Move a cumulative total of 5000 planes.
Move 250 planes without a crash, at one airport.
Move 250 airplanes in level 6.
Move 250 airplanes in level 5.
Have 25 crashes in the entire game.
Move 250 airplanes in level 4.
Move 250 airplanes in level 3.
Move a cumulative total of 1000 planes.
Move 250 airplanes in level 2.
Land the Concorde (hidden in the game).
Achieve a 100% passenger mood rating at one airport.
Move 250 airplanes in level 1.
Move a cumulative total of 500 planes.
Earn $250,000 at one airport.
Land the Shuttle (hidden in the game).
At any airport, move 125 planes with no more than 2 crashes.
Move 100 planes without a crash, at one airport.