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Patrol & mine warfare vessels1960–present
Missile boat
Osa-class missile boat is a missile boat. It was built by Vostochnaya Verf.
Osa-class missile boat
Photographer's Name: PH2 Beech · Public domain · Resized · Public domain · Source ↗ · ModifiedTechnical data
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 38.6 m | Wikipedia contributors | approved |
| 28 Sept 2026 | 38.6 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 38.6 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 38.6 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 38.6 m | Wikipedia contributors | superseded |
Osa class
Vostochnaya Verf
see below
Komar-class missile boat
Tarantul-class corvette
Osa 1, Osa 2
1960–1973
1960–present
400+
Missile boat
Osa 1 171.5 (with M-504B – 184) tons standard 209 (with M-504B – 226) tons full load Osa 2 192 tons standard 235 tons full load
38.6 m (127 ft)
7.64 m (25.1 ft)
1.73 m (5.7 ft) (with M-504B – 1.84 m (6.0 ft))
3 × 4,000 hp (3.0 MW) M-503G diesel engines (205) 3 × 5,000 hp (3.7 MW) M-504B diesel engines (205U onwards)
3 shafts
38.5 knots (71.3 km/h) (M-503G) 42 knots (78 km/h) (M-504B)
1,800 nmi (3,300 km) at 14 knots (26 km/h), 800 nmi (1,500 km) at 30 knots (56 km/h), 500 nmi (930 km) at 35 knots (65 km/h)
5 days
28 (4 officers) (Osa 1) 29 (4 officers) (Osa 2)
MR-331 Rangout (Square Tie) radar Klyon fire-control system for P-15 Termit Nickel IFF MR-104 Rys (Drum Tilt) fire-control radar for AK-230 ARP-58SV radio direction finder
Nikhrom-RRM IFF/ESM
2 × AK-230 twin 30 mm CIWS (2,000 rounds) 4 × P-15 Termit (SS-N-2 Styx) anti-ship missiles
Name Osa class
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Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Osa-class missile boat equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Cuba
EgyptNumber column of the Wikipedia list table under "Fast Attack Craft (30)", 2 rows summed. The list's own wording applies; it is a compiled secondary source, not an official census.
EritreaReported count for Vostochnaya Verf Osa -class missile boats (Osa II in service). Service scope: Eritrean Navy; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 5. Origin: Soviet Union. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
North KoreaReported count for Soju class. Service scope: Korean People's Navy; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): in service: 10. Origin: unstated. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
VietnamReported count for Osa (Project 205U). Service scope: Vietnam People's Navy; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): quantity: 4. Origin: Soviet Union. The listed variants/roles are the scope, not an immediately deployable count. Dates are the count-cell citations' stated source period (2013), not the article revision. Cited source 2013-03-19. Edition or publication years do not claim an exact inventory census day.