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Frigate
Petya-class frigate is a frigate. Reported operators include Soviet Navy (historical) Azerbaijani Navy Egyptian Navy (former) Ethiopian Navy (former) Indian Navy (former) Syrian Navy (former) Ukrainian Navy (former) Vietnam People's Navy.
Technical 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 |
|---|---|---|---|
| 29 Sept 2026 | 81.8 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 81.8 m | Wikipedia contributors | approved |
Petya class (Project 159)
Soviet Navy (historical) Azerbaijani Navy Egyptian Navy (former) Ethiopian Navy (former) Indian Navy (former) Syrian Navy (former) Ukrainian Navy (former) Vietnam People's Navy
Riga class
Mirka class
Arnala -class corvettes
54
6
1 (uncertain)
48
Frigate
950 tons (standard) 1,150 tons (full load)
81.8 m (268 ft 4 in)
9.2 m (30 ft 2 in)
2.9 m (9 ft 6 in)
2 shaft CODAG 2 gas turbines - 30,000 hp (22,000 kW) 1 diesel - 6,000 hp (4,500 kW)
30 knots (56 km/h; 35 mph)
4,870 nautical miles (9,020 km; 5,600 mi) at 10 knots (19 km/h; 12 mph) 450 nautical miles (830 km; 520 mi) at 30 knots (56 km/h; 35 mph)
90
Radar Don-2 Slim Net Hawk Screech Sonar - Herkules hull mounted & dipping sonar
4 76 mm (3 in) guns (2x2) 4 RBU-6000 anti-submarine rocket launchers (2 in some ships) 5 406 mm (16 in) anti-submarine torpedo tubes (10 tubes in some ships) export version had 1x3 533 mm (21 in) torpedo tubes
Petya-II (Project 159A) Anti-submarine frigate 13 15 17 3 Soviet Union Former Soviet Navy . Delivered 1983–1984.
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Petya-class frigate equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
VietnamReported count for Petya-II (Project 159A) / Petya-III (Project 159AE). Service scope: Vietnam People's Navy; does not replace a national total. 2 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: 3 / quantity: 2. 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.
Soviet Navy (historical) Azerbaijani Navy Egyptian Navy (former) Ethiopian Navy (former) Indian Navy (former) Syrian Navy (former) Ukrainian Navy (former) Vietnam People's Navy
Equipment reference ↗