Here is the full list of all 16 Flight Control HD achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
Land 3 helicopters in a row
Land 3 aircraft at the same time
Reach 100 "Total Aircraft Landed"
Read the game tutorial
Land 5 aircraft within 10 seconds
Land 10 jets in a game
Land an aircraft on each airfield
Keep the same aircraft in the sky for 3 minutes
Land no aircraft for 3 minutes
Reach 20 "Most Aircraft on Screen"
Play 200 games in total
Land 200 aircraft in a game
Fly a stunt aircraft through all gates and land safely on the Stunt airfield
Land 50 aircraft without flying through any gates on the Stunt airfield
Open all umbrellas simultaneously on the Stunt airfield
Land 5 helicopters in a row on the Windy airfield