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The Hayabusa-class is a guided missile patrol boat class of the Japan Maritime Self-Defense Force.

Specifications

Displacement

• standard:200 tonnes
• full:240 tonnes

Length 50.1 m (164 ft)

Beam 8.4 m (28 ft)

Draft 1.7 m (5 ft 7 in)

Propulsion

• 3 × General Electric LM500-G07 gas turbine
• 3 × Pump-jet propulsion

Speed 46 knots (85 km/h; 53 mph)

Crew 21

Armament

• 1 × Otobreda 76 mm gun
• 2 × 12.7mm machine gun M2
• 4 × SSM-1B SSM (Optional)

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Where this would go

I see this as a better HMS Peacock, so I would place this at 4.0, 4.3 or higher if it has its missiles. With a high top speed and small profile, this boat would be small and agile. However, it is balanced out by its low crew count and its compartments being packed together so close. The addition of machine guns makes AA and light PT boats easier to deal with. With it's missiles, it would be a much more potent threat, so I would up the BR to 4.3 or higher if it got its missiles. I think this would be a valuable addition to the Japanese naval tech tree, providing it with an equivalent to the fast patrol boats of other nations.