The Fuelhawk is clear lightweight and unbreakable. It's easy to use and gives an instant readout in gallons usable. No more guessing. These handy devices offer the answers to these very important questions: - How many gallons of usable fuel are still in the tank? - How much fuel can be added without going over gross weight? - Are the aircraft fuel gauges working and accurate? Calibrated for C-172 with 19 Gallon tanks. |