Aircraft Fire Extinguisher Armrest"Where can I mount a fire extinguisher?" is a common question, and many builders also like to install armrests for comfort and as an aid to exiting the aircraft. Bonehead has combined the two needs into one simple component. The armrest mounts using existing nut plate locations and accepts fire extinguisher bottles with a 2. 6 inch diameter. This is something you'll use to get in and out of the airplane every time you fly. Hopefully you'll never have