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Warships1986–present (Indonesian Navy)
Frigate
Ahmad Yani-class frigate is a frigate. It was built by Nederlandsche Dok en Scheepsbouw Maatschappij Damen Schelde Naval Shipbuilding. Reported operators include Indonesian Navy.
NetherlandsAhmad Yani-class frigate
Kementerian Pertahanan RI · Public domain · Resized · Public domain · Source ↗ · ModifiedAhmad Yani class
Nederlandsche Dok en Scheepsbouw Maatschappij Damen Schelde Naval Shipbuilding
Indonesian Navy
Martha Khristina Tiyahahu class
Martadinata class
Van Speijk class
1963–1968
1986–present (Indonesian Navy)
6
5
1
Frigate
2,200 tons standard, 2,850 tons full load
113.4 m (372 ft 1 in)
12.5 m (41 ft 0 in)
5.8 m (19 ft 0 in)
As built 2 x geared steam turbines 22,370 kW (30,000 shp ) 2 x shafts Rebuild Caterpillar diesels (5 ships) SEMT-Pielstick diesels (1 ship)
28.5 knots (52.8 km/h; 32.8 mph) With new diesels - estimated max. 24 kn (44 km/h; 28 mph)
4,500 nmi (8,300 km; 5,200 mi) at 12 kn (22 km/h; 14 mph)
180
Radar : LW-03, DA-02, M45, M44 Sonar : Types 170B, 162 Combat system: SEWACO V
1× OTO Melara 76 mm gun 2× twin Simbad Launcher for Mistral SAMs (Originally equipped with Seacat ) 4× SS-N-26 SSM (KRI Oswald Siahaan ) 4× C-802 SSM (on five ships) (Originally equipped with Harpoon Block 1D ) 2 × 3 – Mk 32 anti-submarine torpedo tubes
1x NBO-105C
Hangar
Ahmad Yani class Guided-missile Frigate KRI Ahmad Yani (351) Netherlands In active service. Ex- Van Speijk -class frigate upgraded and refurbished.
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
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| 29 Sept 2026 | 113.4 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 113.4 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 113.4 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 113.4 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 113.4 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 113.4 m | Wikipedia contributors | superseded |
| 29 Sept 2026 | 113.4 m | Wikipedia contributors | approved |
Ahmad Yani-class frigate equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
IndonesiaNavy exact named equipment holdings of Ahmad Yani (ex-NLD Van Speijk). Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only, not a national or parent-force total or combat-readiness measure. Source role(s): PRINCIPAL SURFACE COMBATANTS / FFGHM, PRINCIPAL SURFACE COMBATANTS / FFHM. No heading aggregate, carried armament, crew, payload, factory production or future order count inherited. Family total is the sum of the separately printed nonoverlapping exact model components, each explicitly declared by its own source; no parent or sibling variant identity inferred. The leading printed inventory count is retained; separately stated extra reserve, nonoperational or repair quantities inside parentheses are not added to it and remain verbatim in the excerpt. Source parentheses retain employment, lease, reporting designation, alternate model, or included-subset scopes exactly. Own fetched primary and alternate/model identity declarations are retained. Numbers inside an included subset are part of the printed count and are never added again; no sibling or parent specification is copied.