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Submarine Turkey flagTurkey

STM (Savunma Teknolojileri Mühendislik)

Reis-class

A Turkish diesel-electric attack submarine class built domestically under license from Germany's Type 214 design, fitted with air-independent propulsion and a heavily localized combat system, replacing older Turkish Preveze and Atılay-class boats.

In service since 2022 · 1 operator countries

Compiled from public sources ·primary reference ↗ ·last verified 2026-07-02

400

m depth

20

kn

15,000

nmi

1,850

t

33

crew

Procurement snapshot

Availability & export

Türkiye export-licensed

SSB-administered; growing export programme, some Western sub-component dependencies.

Channel: Direct commercial / G2G

Fielded & proven

Limited · 1 operator

In service since 2022. Status: active · ~1 built.

Lifecycle cost (est.)

No public unit price to model from.

Interoperability

No standardised NATO calibre / datalink detected in public specs.

Derived guidance from public data, export regime by country of origin, lifecycle from the GAO ~30% acquisition rule. Verify eligibility, pricing and offsets with the manufacturer and your acquisition authority.

Compatible munitions & weapons

Publicly reported weapons the Reis-class can carry. Linked items have a full spec page.

DM2A4 Seehecht heavyweight torpedo Harpoon anti-ship missile Atmaca (planned)

Full specifications

Firepower

Armament, payload and guidance.

Torpedo tubes

Number of torpedo tubes (submarines and some surface ships).

8
Stronger than 88% of submarines

Physical

Dimensions, weight and crew.

Length

Overall length including gun/probe where applicable.

68 m

Naval

Displacement, speed, endurance and diving depth.

Displacement

Standard displacement in tonnes, the ship’s size class. Larger hulls carry more but cost more and are less agile.

1,850 t
Submerged speed

Maximum speed while submerged (submarines). Higher is faster underwater.

20 kn
Stronger than 26% of submarines
Range

Cruising range in nautical miles. Nuclear vessels are effectively unlimited (fuel-wise). Higher means more reach without replenishment.

15,000 nmi
Top 6% of submarines
Test depth

Maximum rated diving depth (submarines). Deeper is harder to detect and engage. Actual crush depth is classified.

400 m
Stronger than 76% of submarines
Complement

Crew size. Fewer eases manning cost; more may indicate a larger, more capable platform.

33
Propulsion plant

Machinery type, nuclear reactor, gas turbine (COGAG), CODAG, diesel-electric, AIP.

Diesel-electric with fuel-cell air-independent propulsion

Program

Cost, production scale and operators.

Units built

Total production run. Higher means proven manufacturing, mature logistics and spares availability.

1
Bottom 9% of submarines
Operator countries

Number of countries operating the system. More operators means broader support ecosystem.

1
Stronger than 39% of submarines

Specifications compiled from public STM (Savunma Teknolojileri Mühendislik) and reference sources ↗. Published defense figures are approximations, treat comparisons as directional. Last verified 2026-07-02.

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Frequently asked questions

What is the STM (Savunma Teknolojileri Mühendislik) Reis-class used for? +

The STM (Savunma Teknolojileri Mühendislik) Reis-class is a submarine typically used for anti ship.

How many countries operate the STM (Savunma Teknolojileri Mühendislik) Reis-class? +

The STM (Savunma Teknolojileri Mühendislik) Reis-class is operated by 1 countries.

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