The MG 81Z was found in many unique installations in Luftwaffe combat aircraft, such as a pair of MG 81Z (for a total of four guns) installed in the hollow tail cone of the Dornier Do 217 K-2.
MG 81Zs were present in various arrangements on Luftwaffe aircraft, specifically featuring a pair of MG 81Zs (four total guns) positioned inside the hollow tail cone of the Dornier Do 217 K-2.