How does the weapon inventory work for aircraft

xcom-enemy-unknown

If I currently have, let's say a plasma cannon on my layout for one of my aircraft, and I build another weapon like a fusion lance or something, and I go to put the fusion lance on the aircraft, will the plasma cannon go back into my weapon inventory or will I lose the plasma cannon?

Best Answer

Weapons for Aircraft in XCOM are just like weapons for Soldiers; you can swap them out as many times as you like (though why would you?).

Installing weapons takes time (24 hours, I believe), but uninstalling weapons is instant.