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Kawanishi H6K "Mavis"
Type: Long Range Reconnaissance/Bomber Flying Boat
Origin: Kawanishi
Crew: N/A
Allied Code Name: Mavis
Models: H6K1 to -5
First Flight: July 14, 1936
Service Delivery: January 1938
Final Delivery: N/A
Production: 217
Powerplant:
H6K1:
    Model: Mitsubishi Kinsei 43
    Type: Air-Cooled radial
    Number: Four      Horsepower: 1,000 hp

H6K4:
    Model: Mitsubishi Kinsei 46
    Type: Air-Cooled radial
    Number: Four      Horsepower: 1,070 hp
H6K1:
    Model: Mitsubishi Kinsei 51 or 53
    Type: Air-Cooled radial
    Number: Four      Horsepower: 1,300 hp
   Dimensions:
Wing Span: 131 ft. 2¾ in. (40m)
Length: 84 ft. 1 in. (25.63m)
Height: 20 ft. 6¾ in. (6.27m)
Wing Area: 1,829.92 sq. ft. (170.00m²)

Weights:
Empty: 27,293 lb (12380 kg)
Loaded: 50,706 lb (23000 kg)

Performance:
Max. Speed: 239 mph (385 kph) at 19,685 ft.
Service Ceiling: 31,365 ft. (9560m)
Range: 4,210 miles (6775 km)
Armament: H6K5
Four 7.7mm Type 92 machine guns in forward turret, two beam blisters and an open dorsal position.
One 20mm cannon in tail turret.

Payload: H6K5
Two 1,764 lb. (800 kg) torpedoes or up to 2,205 lb. (1000 kg) of bombs.
Variant:
H6K1: Initial three prototypes.

H6K2: Initial production version.

H6K3: Two H6K2s completed as VIP transports.

H6K4: Major production version with increased fuel capacity, revised armament and more in later airframes, more powerful engines.

H6K2-L: Unarmed transports similar to early H6K4, equipped to carry 18 passengers. Japanese Air Lines recieved 18 of these aircraft.

H6K4-L: as H6K2-L but with uprated engines and more cabin windows.

H6K5: final production version.
Sources:
The Complete Encyclopedia of World Aircraft, 1997, Barnes & Nobles Books, ISBN: 0 7607 0592 5
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