45acp-That's you .45 handgun
buffet-That's the sound when you are pulling G's and stalling.
damage1,2,3,4- These are different sounds for when something rips off your plane.
debris-When you fly through part of an enemy plane after they are off it of course.
explode-When something blows up, I.E. aircraft, ship guns firing, and rounds from a tank
hit-When a round hits you plane.
M2-Generic .50 sound. (think this is for external sounds so you can hear what others are shooting)
M3- This is what puzzles me, it could be the 37mm firing for the porpuse listed above, but i may be wrong.
RATO-Ar 234's RATO pods
scrape-Scraping your wing across the ground
slat-Sound for slats on the Me 109 series and me 262.
splash- sound of torpedoes hitting the water.
wake- Pt boat wake noise