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