Darkstar challenge

Hi, thanks for the info above,

I found that using the objectives Menu is the only way I would have completed this challenge!
It was quite exciting near the end, My landing was was like a nodding bird but after 35mins flying, I was determined to land on the runway.
I switched off the Generators as soon as the Scram jets were engaged as I did run out of fuel or kill all the engines as on previous runs. Then switch back on at Mach 4 below 50,000ft.