No flak damage:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 17438,0
SYS 32768
Unlimited fuel:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 17925,173
SYS 32768
Unlimited bombs:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 25584,173
SYS 32768