NGS Operation
Very interesting.
Sitting in the cockpit you have no idea what the system is doing and what is the state of the fuel tank.
What good is this system?
It pollutes outside air with fuel vapors as it exhausts ullage gases.
Please tell me why one would select such a system for one's airplane or one's fleet. I have failed to find one good reason. It is NOT required by law. Other methods, better and cheaper, are available.
If you know of a good reason, PLEASE POST