MK-1
Heavy attack flying boat

	Specification:
	Year deployed Wing span, m Lenght, m Height, m Wings area, m2 Weight, kg - empty aircraft - normal take-off Engine Power, hp Maximum speed, km/h - on sea level - in altitude Cruising speed, km/h Range, km Rate of climb, m/min Service ceiling, m Crew Armament:	- - 51.60 - 24.10 - 6.36 - 304.5 - 22340 - 33560 - 6 PE M-34R - 6 X 830 - 205 - 223 - 187 - 1300 - 48 - 2250 - 6 2  7.62-mm machine-gun ShKAS,  2 20-mm cannon Oerlicon with 600 rounds x2 machine-gun 7.62-mm DA-2 with  14000 rounds  6000 kg bombs (32 bombs 100 kg  or 6 1000 kg bombs) or  4 1200 kg torpedos (4800 kg)