Original Blueprints:
Fairmile Patrol Boat “Type B”
Specifications:
Displacement: 85 tons
Length: 112 ft (34 m)
Beam: 18 ft 3 in (5.56 m)
Draft: 4 ft 10 in (1.47 m)
Propulsion: Two 650 bhp Hall-Scott Defender petrol engines
Speed 20 knots (37 km/h; 23 mph)
Range: 1,500 miles at 12 knots (22 km/h, 14 mph)
Armour:
1 x QF 3-pounder Hotchkiss Gun
1 x twin 0.303” machine guns
12 x depth charges
Some later ML’s were also fitted with:
1 x QF 3-pounder Hotchkiss Gun
1 x twin 0.303” machine guns
1 x “ Bofors”40mm gun
1 x Oerlikon 20mm cannon