This guide will tell you how you can fly a helicopter in the GTA 5 game.
The first thing you have to do is make your way to the airport and press the F button to get into the helicopter.
And then press the W button to take your helicopter upwards in the air.
Press S if you want to take the helicopter down. You can press the A and D buttons to move your helicopter left and right, respectively.
You will need to press 8 on the Numpad and then the W button to move your helicopter forward.
Hold W and press 6 or 4 on Numpad to fly the helicopter in the left and right directions.