all you do is earn every acheivment than you buy every single thing in the menu then you sve some of the rocket feul at the end than when you slow down you use it then trie to reach 6,000 feet
In learn to fly you can glide using lift induced thrust to glide at constant speed. Drag does not increase significantly if you don't exceed the limit of the glider.
Keep your speed between 190~199 for as long as possible you should be able to reach at least 8000 if you had full upgrades.
No, no, no! You need to upgrade everything and then when you go off the cliff you go straight up for about 40% of your fuel and then level out with little drag. Every once in a while you use fuel to keep at a constant speed. That should get you to 4500 ft with 40% of your fuel. Fromthere you go straight and finish. I have done it twice. (The third time I got 5998 ft!) : (