FSX In-Flight Refueling Gauge flight2000it 14 years ago FSX In-Flight Refueling Gauge. The package contains an in-flight refueling gauge that can be installed on any aircraft and allows refueling in the air from any aircraft – in free flight or multiplayer. By Andy Niko and Jivko Rusev. 960 Kb – FS2004 Refuel GaugeFSX – F/A-18 Combat VersionFSX – Transall C-160