Seagoing diving boat - Project 522

Seagoing diving boats
Project 522

NATO: Niryat Class

Completed

134 (?) units

Ships

Nikolaev-on-Amur Shipyard (18 units), Shipyard №370 Petrozavod, Leningrad (1954 – №310-317, 1955 – №318-325)

Name	Yard №	Laid Down	Launched	Commissioned	Note
VM-1	-	-	-	-
VM-2	-	-	-	-
VM-5	№386	-	-	1960	Shipyard №370 Petrozavod, Leningrad
VM-6	-	-	-	1961
VM-7	-	-	-	1961
VM-9	№387	-	-	1960	Shipyard №370 Petrozavod, Leningrad
VM-10	-	-	-	1962
VM-11	-	-	-	-
VM-12	-	-	-	-	then - PKZ-1
VM-14	№388	-	-	1960	Shipyard №370 Petrozavod, Leningrad
VM-15	-	-	-	-
VM-16	-	-	-	-
VM-17	-	-	-	-
VM-18	-	-	-	-
VM-19	-	-	-	-
VM-21	-	-	-	-
VM-22	-	-	-	-
VM-24	-	-	-	-	Nikolaev-on-Amur Shipyard
VM-29	-	-	-	-
VM-31	№300?	-	-	1951	Shipyard №370 Petrozavod, Leningrad
VM-32	№301	-	-	1952	Shipyard №370 Petrozavod, Leningrad
VM-33	№302?	-	-	1953	Shipyard №370 Petrozavod, Leningrad
VM-34	№303?	-	-	1953	Shipyard №370 Petrozavod, Leningrad
VM-35	№304?	-	-	1953	Shipyard №370 Petrozavod, Leningrad
VM-36	№305?	-	-	1953	Shipyard №370 Petrozavod, Leningrad
VM-37	№306?	-	-	1953	Shipyard №370 Petrozavod, Leningrad
VM-38	№307?	-	-	1953	Shipyard №370 Petrozavod, Leningrad
VM-41	№8	-	-	-	Nikolaev-on-Amur Shipyard, then - PSKA
VM-43	-	-	-	-
VM-47	-	-	-	-
VM-48	№308?	-	-	1953	Shipyard №370 Petrozavod, Leningrad
VM-49	№309?	-	-	1953	Shipyard №370 Petrozavod, Leningrad
VM-53	№11	-	-	1962	Nikolaev-on-Amur Shipyard
VM-63	-	-	-	29.12.1954
VM-65	-	-	-	1955
VM-66	№317	-	-	1954	Shipyard №370 Petrozavod, Leningrad
VM-68	-	-	-	-
VM-69	№313	-	-	1954	Shipyard №370 Petrozavod, Leningrad
VM-70	-	-	-	1954
VM-71	-	-	-	-
VM-73	-	-	-	1955	Shipyard №370 Petrozavod, Leningrad
VM-74	-	-	-	-
VM-75	-	-	-	-
VM-76	-	-	-	-
VM-77	-	-	-	-
VM-79	№360	-	-	1959	Shipyard №370 Petrozavod, Leningrad
VM-80	-	-	-	-
VM-81	№325	20.10.1954	-	30.04.1955	Shipyard №370 Petrozavod, Leningrad
VM-82	-	-	-	-
VM-83	-	-	-	-
VM-84	-	-	-	-
VM-85	-	-	-	-
VM-86	-	-	-	1955
VM-87	-	-	-	-
VM-88	-	-	-	1956
VM-89	-	-	-	-
VM-90	-	-	-	-
VM-91	-	-	-	1962
VM-92	-	-	-	-
VM-93	-	-	-	-
VM-99	-	-	-	-
VM-102	-	-	-	-
VM-103	-	-	-	-
VM-104	-	-	-	-
VM-105	-	-	-	-
VM-106	-	-	-	-
VM-107	№351	-	-	1959	Shipyard №370 Petrozavod, Leningrad
VM-108	№352	-	-	1958	Shipyard №370 Petrozavod, Leningrad
VM-109	-	-	-	-
VM-113	-	-	-	1957
VM-114	№340	-	-	1958	Shipyard №370 Petrozavod, Leningrad
VM-115	-	-	-	1958
VM-116	-	-	-	-
VM-117	-	-	-	-
VM-118	-	-	-	-
VM-119	-	-	-	-
VM-120	-	-	-	1958?
VM-121	-	-	-	-
VM-122	№364	-	-	1959	Shipyard №370 Petrozavod, Leningrad
VM-123	-	-	-	-
VM-124	-	-	-	-
VM-125	№365	23.12.1957	-	28.09.1959	Shipyard №370 Petrozavod, Leningrad
VM-126	-	-	-	-
VM-127	-	-	-	-
VM-128	-	-	-	-
VM-129	-	-	-	-
VM-130	-	-	-	-
VM-131	-	-	-	-
VM-132	-	-	-	-
VM-133	-	-	-	-
VM-134	-	-	-	1962
VM-135	-	-	-	-
VM-136	-	-	-	1962	Nikolaev-on-Amur Shipyard
VM-137	-	-	-	-
VM-138	-	-	-	-
VM-139	-	-	-	-
VM-140	-	-	-	-
VM-141	-	-	-	-
VM-142	-	-	-	-
VM-147	--	-	-	-
VM-148	-	-	-	-
VM-149	-	-	-	-
VM-150	-	-	-	-
VM-151	-	-	-	-
VM-155	-	-	-	-
VM-156	-	-	-	-
VM-157	-	-	-	-
VM-158	-	-	-	-
VM-160	-	-	-	-
VM-161	-	-	-	-
VM-162	-	-	-	-
VM-163	-	-	-	-
VM-164	-	-	-	-
VM-165	-	-	-	-
VM-166	-	-	-	-
VM-167	-	-	-	-
VM-168	-	-	-	-
VM-169	-	-	-	-
VM-170	-	-	-	-
VM-171	-	-	-	-
VM-172	-	-	-	-
VM-173	-	-	-	-
VM-174	-	-	-	-
VM-175	-	-	-	-
VM-176	-	-	-	-
VM-177	-	-	-	-
VM-178	-	-	-	-
VM-179	-	-	-	-
VM-180	-	-	-	-
VM-181	-	-	-	-
VM-182	-	-	-	-
VM-183	-	-	-	-
VM-184	-	-	-	-
VM-185	-	-	-	-
VM-186	-	-	-	-
VM-187	-	-	-	-
VM-188	-	-	-	-
VM-189	-	-	-	-
VM-191	-	-	-	-
VM-192	-	-	-	-
VM-193	-	-	-	-
VM-194	-	-	-	-
VM-195	-	-	-	-
VM-201	-	-	-	-
VM-203	-	-	-	-
VM-260	-	-	-	-
VM-261	-	-	-	-

General characteristics - Project 522

Displacement (tons):
Standard:	92
Full load:	119
Dimensions (m):
Length:	28,58
Beam:	5,5
Draft:	1,725
Speed (knots):	12,2
Range:	1760 nmi (10 knots), 1242 nmi (11,5 knots), 850 nmi (12,2 knots)
Autonomy (days):	10
Propulsion:	1x450 hp 6ChSP23/30 diesel, 1 fixed pitch propeller, 1x12,5 kW DG-13 diesel generator, 1x6,5 kW DG-10 diesel generator
Electronics:	Kivach-2 navigation radar (VM-81) or Donets-2 (VM-114) (on some boats – Stvor), ARP-50R radio direction finder
Equipment:	1 dive complex (1 pressure chamber) – 60 m
Complement:	22 (7 divers)

Schematics

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Modernizations

Border guard boat: VM-41
Floating barracs: PKZ-1 (VM-12)

Fleets

Baltic Fleet: VM-11, 17, 19, 47-49, 68, 81, 84, 102, 104, 106, 115, 119, 120, 127, 129
Black Sea Fleet: VM-1 (then Nothern Fleet), 5, 9, 12 (then Nothern Fleet), 14, 34, 43, 66, 71, 73, 74 (then Pacific Fleet), 86, 88 (from 25.04.1996 Caspian Flotilia), 107, 108, 113, 114, 122, 125
Northern Fleet: VM-7 (then Caspian Flotilia), 16, 33, 69, 79, 80, 87, 99, 116, 117, 121, 126, 193
Pacific Fleet: VM-6, 10, 24, 29, 41 (then Amur), 53, 63, 89, 91, 103, 105, 133, 134, 136, 261
Caspian Flotilia: VM-2, 15, 18, 65, 109

Hull Numbers

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Decommissioned

VM-1 (civil vessel, without rename), VM-2 (transferred to KMP, from 9.12.1969 Vodolaz O.Gadzhidadaev), VM-19 (civil vessel of "Yug" club), VM-73 (civil vessel of the 8-th EOPTR, then "Spetsmorstroy", from 12.10.1993 PPTK «Poseydon», then ZAO SK Epron-8, to scrap 2013), VM-104 (№104, «Akvilon» diving club), VM-115 (Michman Chaykin - civil organisation Pamyat Baltiki), VM-136 (civil vessel)
1993 – VM-84 (22.02), VM-106 (22.02), VM-127 (22.02)
1996 – VM-107
2002 – VM-81 (civil vessel without rename, decomm. 2025)
2003 – VM-41 (17.09, №41 OOO "Aktiniya")
2010 – VM-134
2012 – VM-66, VM-79
2013 – VM-122?
2014 – VM-79 (5.05)
2025 – VM-86

Export

Azerbaijan: 2 units
A641 decomm. 2000, A642 1964

Albania: 2 units
Shkiptari A534 (till 09.1958 VM-113), from 2003 rescue boat R218

Algeria: 1 unit
In 1965: Yavdejan VP650 1964. Decommissioned in 1997

Egypt: 2 units
In 1964: P001, P002

Vietnam: 1 unit
1x2 12,7 mm

Iraq: 2 units

Cuba: 2 units

Latvia: 1 unit
Lidaka A101, then A51 (№875) ?/?/1958. Ex- diving boat Gefest "Latrek" firm, till 1991 USSR civil Gefest.

Lybia: 1 unit

Ukraine: 3 units
Seagoing diving boats Brody, from 2002 Alchevsk, from 2004 Volnogorsk U707 (till 1.08.1997 VM-114) decomm. 17.10.2013, VM-5 U708, 7.10.1996 tranferred to Kerch MChS, Energodar U709 (till 1997 VM-14), from 30.11.2004 civil boat

RussianShips.info

Seagoing diving boats Project 522

NATO: Niryat Class

Seagoing diving boats
Project 522