Although I did have to eject once from a century series fighter, it was in the US and no, I didn't have to use the 22 to survive. On the other hand, I would still prefer the 22 to survive. Fighting an enemy force with your pistol is pretty useless. You'd likely be killed.
While in combat I carried the issue Combat Masterpiece in .38spcl. It's main reason was as a sigalling device to attract rescue. We carried tracer ammunition for that purpose.
Cogito, ergo armatum sum