Current aircraft flying around in the skies have either the analog fuel flow instrument (aircraft 10+ years old), or have the new digital version. While the analog ones simply display the balance fuel quantity, the digital version (depending on the model), provide a whole host of important information.

Aircraft owners who have opted for after-market fuel flow instruments, usually install the fuel scan 450 Twin manufactured by J.P. Instruments, and is probably the best fuel indicator in the market.

Typically, modern-day fuel flow instruments (depending on brand and model), offer lots of information in real time including:

1. Fuel quantity alarm.
2. Pilot selectable quantity display in gallons, litres or pounds.
3. ... Read more »