In Service: 1943 to 1945
                    
                    
                    
                    First Flight: 1943
                    
Manufacturer: Heinkel
                    Number built: 
                    
                    
                    
                    Type: Prototype bomber
                    
                    
Crew: 7 men
                    
Length: 23 m
                    
Wingspan: 40 m
                    
Wing area: 133 m²
                    
Height: 6.66 m
                    
Empty: 21,800 kg 
                    
Loaded: 44,500 kg 
                    
Engine: 4 × 
BMW 
                    801E 14 cylinder air cooled radial engine producing up 
                    to 1,973 hp
                    
Maximum speed: 570 km/h
                    
Range: 6,000 km 
                    
Service ceiling: 15,000 m
                    
Armament: 
                    2 × 
20 mm 
                    MG 151/20 machine guns in remote controlled undernose 
                    chin turret 
                    4 × 
20 mm 
                    MG 151/20 machine guns in twin dorsal turrets, one forward 
                    and one aft 
                    2 × 
20 mm 
                    MG 151/20 machine guns in remote controlled ventral turret 
                    facing aft 
                    4 × 
13 mm MG 
                    131 machine guns in tail turret 
                    Bomb load up to 3,000 kg 
                    
Electronics: 
                    Operators: Luftwaffe
                    
Variants:
                    He 277 V-1
                    He 277 V-2
                    He 277 V-3
                    
                    
Other: Prototypes
                    Articles: 
                    
                    
                    
                    The Heinkel He 277 was a seven seat four engines four engines 
                    variant of 
He 
                    177 bomber
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    by Simon Gunson 24/06/2010
                    
                    This picture either depicts the first prototype NN+QQ, or 
                    the third prototype NE+OD with a conventional tailfin. The 
                    second prototype GA+QQ was a HE-277 B-5 with an "H" 
                    tail with Jumo 213E high altitude engines. 
                    
                    
                    
                    The Warplanes of the Third Reich.
                    ISBN-10: 0385057822
                    
                    German Aircraft of the Second World War.
                    ISBN-10: 0370000242
                    
                    Hitler's Luftwaffe.
                    ISBN-10: 051718771X
                    
                    For a complete list of 
sources