DF6C-07AF Start with 1 chance instead of 3
D46C-07AF Start with 2 chances
D06C-07AF Start with 4 chances
D96C-07AF Start with 5 chances
D16C-07AF Start with 6 chances
D56C-07AF Start with 7 chances
D66C-07AF Start with 8 chances
DB6C-07AF Start with 9 chances
8260-0FA7 Infinite chances
DD62-67AF Automatically win first race at Bigelow
DF62-67AF First race at Bigelow is 1 lap instead of 10
D962-67AF First race at Bigelow is 5 laps 
DE62-67AF First race at Bigelow is 15 laps
FB62-67AF First race at Bigelow is 25 laps
7462-67AF First race at Bigelow is 50 laps 
1762-67AF First race at Bigelow is 99 laps
DD63-6DDF Automatically win second race at Bigelow 
DF63-6DDF Second race at Bigelow is 1 lap
D963-6DDF Second race at Bigelow is 5 laps
DC63-6DDF Second race at Bigelow is 10 laps
FB63-6DDF Second race at Bigelow is 25 laps
7463-6DDF Second race at Bigelow is 50 laps
1763-6DDF Second race at Bigelow is 99 laps
DD63-6D0F Automatically win third race at Bigelow 
DF63-6D0F Third race at Bigelow is 1 lap instead of 10
D963-6D0F Third race at Bigelow is 5 laps
FB63-6D0F Third race at Bigelow is 25 laps
7463-6D0F Third race at Bigelow is 50 laps
1763-6D0F Third race at Bigelow is 99 laps
C988-0FAD Protection against guns (only partly against grenades)--only in hangar
0C6D-A4DF Cliff starts with 2/3 normal energy in hangar
496D-A4DF Cliff starts with 1/3 normal energy in hangar
0C6D-A7AF Enemies start with 2/3 normal energy in hangar 
496D-A7AF Enemies start with 1/3 normal energy in hangar
C98C-DD0F Protection against Armored Flying Tank(tm)
C961-A767 Infinite super shots on pick-up
DD6B-D76F Super shots worth nothing on pick-up instead of 3
C964-6FDD Invincibility in the skies
C9A0-A40F Protection against enemy rocketmen on the Zeppelin
10A8-DFDF Easily defeat enemy rocketmen on the Zeppelin 
10A6-DDDD Easily defeat Nefarious Villain

For the last three codes, you can't get more than 29
D16B-D76F Super shots worth 6 on pick-up
DB6B-D76F Super shots worth 9 on pick-up
DA6B-D76F Super shots worth 12 on pick-up