Dick,
Let me know when you have a suitable answer: it's (one of) the banes of operating a 109, no nosewheel lock on start up, and no brakes, if the machine is left for a day or two
Single pilot: one option, of course, is to put a single chock on the downhill side of a mainwheel, and leave it behind. It doesn't have to be an aviation spec chock, a hefty chunk of rock, brick or a branch would do, but don't go into questions about "what if" it clutters a hardstanding, etc, as I don't have an answer
bellsux: the electric pack for the third hydraulic system was only on the 109A and AII, IIRC. The current E's and S's are off the utility hydraulics, which has a larger reservoir running to an accumulator. Common error is to see the utility hyd reservoir sight glass showing low hyd oil, without releasing pressure on the accumulator to return the level to a correct level. Resulting overfill can be a PITA
