Chaho Class North Korean Patrol Boat
Chaho
Patrol Boat
Other
Basic Information
Name
Chaho Class North Korean Patrol Boat
Designation
Chaho
Alternate Designation
Chaho
Equipment Type
Patrol Boat
Manufacturer
—
Date of Introduction
1974
Description
The design of this class is based on the Russian P-6 torpedo boat design, but with a steel hull rather than the wooden hull of the P-6. Construction began in 1974 and ceased in the late 1970s. A minimum of 62 units were built during that period.
Naval & Littoral Specifications
Crew
24
Beam
6.40 m
Draft
1.80 m
System
Alternative Designation
Chaho
Type
Patrol Boat
Builder
North Korea; Shipyard: INA
Crew
24
Dimensions
Length
27.7 m
Beam
6.4 m
Draft
1.8 m
Displacement, Full Load
82 tons full load
Propulsion System
Engine Name
4 x Russian M-50
Engine Type
Diesel
Engine Power
4,800 bhp total
Maximum Range
INA
Maximum Speed
40 knots
Gun Weapon Systems
Gun Weapon System #1
Name
2M-7
Type
Heavy Machine Gun
Caliber
14.5mm
Quantity
2 x 2m-7 14.5mm Heavy Machine Guns
Length
1,980 mm
Barrel Length
1,346 mm
Width
162mm
Height
225mm
Weight
49 kg
Action
Short recoil operation
Rate of Fire
600 rpm
Muzzle Velocity
1,005 m/s
Maximum Firing Range
4,000 m
Effective Firing Range
3000m
Feed System
40-round belt
Sights
iron or optical
Gun Weapon Systems #1 Ammunition
Type
Rifle
Caliber
14.5 mm
Cartridge
14.5×114 mm
Basic Load
INA
Rocket Weapon Systems
Launcher
1 x 40-Round 12mm BM-21 Artillery Rocket Launcher
Rocket Weapon System #1
Name
9M22U (M-21OF)
Type
Fragmentation-HE
Quantity
40 x 9M22U (M-21OF) Rockets
Length
2.87 m
Weight
66.6 kg
Warhead Weight
18.4 kg
Maximum Range
20,380 m
Minimum Range
5,000 m
Fire Control Systems
FCS Name
INA
Computerized FCS
No
Battle Management System
No
Radar Systems
Name
1 Zarnitsa (Skin Head) or Type 351 (Pot Head) Radar
Type
Surface Search
Frequency
INA
Range
INA
Protection
Active Protection System
INA
Countermeasures
INA
NBC Water Washdown System
INA
Image Sources
Details
Country of Origin
North Korea
Category
Naval
Naval
Filter Label
C
Classification
Domain
Naval & Littoral
Equipment Status
Active
Dimensions
Length
27.7 m
Width
—
Height
—
Weight
—
Operators (1)
North Korea
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