SUGGESTIONS:
Suggestion 1: Can make a custom Jet engine or any other engines for other types of vehicle with turbine parts, Combustion chamber parts, and many other parts for making a jet engine and other vehicle Engines in the parts selection.
Suggestion 2: Can make a Custom Guns and cannons, this suggestion can make Custom Guns and Cannon Wich has a actual weapon parts to assemble and add.
Suggestion 3: Can make a custom Missiles, Bombs, Rockets, etc... This suggestion can make a Missile , bombs, Rocket Customized Wich has a parts that can used to make.
Suggestion 4: Has a different Fuel to choose for the engines.
Fuel list suggestions:
Diesel
Kerosene
Gasoline
Biodiesel
LPG
Ethanol
Hydrogen
Oxygen
Suggestion 5: Can make a Custom Ammo for the Guns and Cannon
Suggestion 6: Have a radar parts to build or other electronics parts to build
Suggestion 7: Players can sell their aircraft or other that they build in the game and the currency is in the game but not using a real money but using a in-game currency.
Suggestion 8: Player Character can get Blackout or G-Locked
Suggestion 9: This more into the website itself, add the image-posting feature so that we don't need any kind of 3rd party image hosting sites anymore. Cuz most of them got some region lock implemented and as a result, some pictures weren't appearing due to being blocked in certain countries.