CJ1234
Just to confirm - it's prefectly alright to turn the Y ELEC pump off FIRST, then start the engine. Is that right?
Yes it is
Also, can you start engine whilst taxying, or does the aircraft have to be stationary?
You can do it while taxing. I prefer to do it stationary at the holding point when we have several aircraft ahead. IF I`m number 1, or 2 or 3 for departure, I`ll do it taxing, but I`ll have my copilot do it for me, as I`m busy taxing.
Cheers