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