Japan Coast Guard PL12 (Esan) is a Kunigami-class patrol vessel (くにがみ型巡視船) from a class of 1,000 ton-class PL type patrol vessels of the JCG.
Type: PL (Patrol vessel Large)
Tonnage: 1,700 GT
Length: 96.6 m (316 ft 11 in)
Beam: 11.5 m (37 ft 9 in)
Draft: 5.2 m (17 ft 1 in)
Propulsion: 2 × shafts / 2 × diesel engines
Speed: 25 knots (46 km/h; 29 mph)
Armament: 1 × JM61 20mm gun or Bushmaster II 30mm gun
Builder: Shimonoseki shipyard, Mitsubishi Heavy Industries
Commissioned: 27-October-2016
Homeport: Otaru, Hokkaido
.