ISKU missile patrol boat (1970)

Isku 1975

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
Isku	16, 1990s- 826, 2003- 829		Reposaaren Konepaja, Pori	11.1968	4.12.1969	1970	minelayer / trial ship 1990, in service (2019)

Displacement standard, t

115

Displacement full, t

140

Length, m

26.4 wl 28.0 oa

Breadth, m

8.70

Draught, m

1.80

No of shafts

4

Machinery

4 M-50F-4 diesels

Power, h. p.

4400

Max speed, kts

15

Fuel, t

diesel oil

Endurance, nm(kts)

Armament

4 x 1 P-20 SSM (4 P-20), 1 x 2 - 30/71 AK-230

Electronic equipment Rangout, Raytheon radars

Complement

15

Project history: Landing craft hull designed for SSMs and more powerful engines.

Modernizations: 1990: craft was lengthened (180t full, 33.4x8.7x1.8m, 18kts); - 4 x 1 P-20 SSM, 1 x 2 - 30/71, Rangout radar; + 2 mine rails

Naval service: Isku never reached her designed speed and served only as test craft.

Isku 1979

Isku 2000

FINNISH NAVY (FINLAND)

COASTAL FORCES

ISKU missile patrol boat (1970)

Displacement standard, t	115
Displacement full, t	140
Length, m	26.4 wl 28.0 oa
Breadth, m	8.70
Draught, m	1.80
No of shafts	4
Machinery	4 M-50F-4 diesels
Power, h. p.	4400
Max speed, kts	15
Fuel, t	diesel oil
Endurance, nm(kts)
Armament	4 x 1 P-20 SSM (4 P-20), 1 x 2 - 30/71 AK-230
Electronic equipment	Rangout, Raytheon radars
Complement	15