Mil Mi-4 "Hound" - 3/6
	A mechanic works on an Mi-4 R-5 gearbox at left and another one on a rotor head at right. Note in the background an An-2 of the 2.AE (left picture), a Mi-4A of the 3.AE and a Li-2 of the 1.AE (right picture) from the 226.OSAP at Sperenberg.