Here is the full list of all 25 Land It! achievements worth 1,000 gamerscore.
Crash 2 planes into one-another.
Land 500 planes overall
Land 200 planes overall
Hit 25 checkpoints overall.
Land 1000 planes overall
Transport 2000 passengers.
Achieve 3 stars on all levels.
Fly into a volcano
Have 5 planes under your control at the same time.
Have 10 planes under your control at the same time.
Fly a full circle with a plane
Spend 15 seconds in the NO-FLY zone in one game.
Spend over 3 minutes on one level.
Have 3 different types of planes under your control at the same time.
Land 5 planes within 15 seconds.
Fly close to two NPC planes at the same time.
Land 10 planes in one game.
Land 20 planes in one game.
Land 30 planes in one game
Achieve 25000 points in one game.
Achieve 75000 points in one game.
Achieve 225000 points in one game.
Land a plane within 15 seconds.
Land a plane with a single order.
Call in all planes in a level within the first 5 seconds of their timer button.