New SkyMark 5000 Gallon Jet Refueler going into service for Petroperu in Cusco, Peru. By jcollins | May 15, 2018 New SkyMark 5000 Gallon Jet Refueler going into service for Petroperu in Cusco, Peru. This refueler will be serving at the Alejandro Velasco Astete International Airport (CUZ) which is located at an altitude of 10,860 ft / 3,310 meters. < Back to News Page Posted in Skymark Refuelers Blogs and tagged Aviation Refuelers