See also Sandy Shores Airfield another nearby airstrip.
After the hangar is purchased, it features weapons/drugs delivery missions by either land or air. There's a Dune Buggy for the land drug running side mission. There is also a Cuban 800 for air deliveries. Upon completion of a side mission, Trevor gets paid $5000 for land deliveries and $7000 for the air deliveries. Completing air deliveries quickly awards a time bonus of $125, accuracy with drops gives additional $125 bonus and flying below radar on missions that require it give yet another $125.