A personal aircraft that can travel almost anywhere is the ULA 710-84! It's small enough to fit in the smallest locations and fast enough to reach your destination more quickly than a land vehicle.
Holding down the left mouse button will raise the flying level.
Holding down the right mouse button will reduce the flying level.
B Crop sprayer activation key
Cost: $89,599
Location: Squigglze > Aviation > Vehicle Menu
MOD NEEDED: Extension of the Squigglze Store

Thanks to Squigglze