Secondly, it has always puzzled me as to why at many airfields there seems to be a habit of filling aircraft until they are full when the plan is to do a local trip or circuits.
We always try and fuel plan for a day's flying, including the first trip the following morning. What we DON'T want to have to do is to taxy the a/c in the morning from the hangar to put fuel in for the first trip of the day. It wastes time and wear and tear, so the last trip of the day is a 'hangar' flight (as do glider clubs) and the first trip ideally is with the student helping getting the a/c out of the hangar and doing the Check 'A'.
TOO