is that the widespread practice of departing with the fuel level below the visible point
Our problem is that because we have a high dihedral on the wings, below about 110 litres there is no visible fuel and it is not possible to make a dipstick. I'd fit a fuel totalizer but because of bureaucracy it'd be a bloody paperwork nightmare and so can't be bothered. This means that we have to rely on a "techlog" and some 1979 fuel gauges which at best are inaccurate....The new one will have an engine monitor with FF...