Cheat:
Press ALT H to get the pitch lines on your HUD, fly upside down, turn off your engines, keep your plane at about 10 degrees on your HUD and you should then go up, up and away.
To keep your pilots alive forever with a little file copying in DOS. The data for your pilots is saved in a file called ROSTER.FIL so when you have successfully completed a mission quit to DOS and type:
copy c:mpsf19
oster.fil c:mpsf19
oster.xxx
If he gets killed on the next mission, quit to DOS and resurrect him by typing:
copy c:mpsf19
oster.xxx c:mpsf19
oster.fil
Here's a cheat for F19. Back up the ROSTER.FIL file first, then follow the commands below from the DOS prompt:
debug
nroster.fil
l
e 0100 00
e 0150 00
e 01a0 00
e 01f0 00
e 0240 00
e 0290 00
e 02e0 00
e 0330 00
e 0380 00
e 03d0 00
w
q