Inhaúma

🇧🇷Brazil
Arsenal de Marinha do Rio de Janeiro
1989 – Present
Overview
Inhaúma
The Inhaúma class corvettes are a series of five naval vessels built for the Brazilian Navy, originally designed as small frigates with German assistance. They feature a CODOG propulsion system, a displacement of up to 2,170 tonnes, and are armed with Exocet missiles, a 114 mm gun, anti-aircraft guns, and torpedo tubes, serving from 1989 to 2008.
Specifications

General

Crew122
Guns1 x Vickers 4.5 inch Mark 8, 2 x Bofors 40mm L/70 anti-aircraft
Beam M11.4 m
Length M95.8 m
PropulsionCODOG
Speed Knots27 knots
Main Missiles4 x Exocet MM-40 anti-ship
Displacement Tons2,100 tons
Research Notes

Brazilian-built corvette class

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The Inhauma class was a Brazilian Navy corvette program designed and built domestically with foreign design assistance.

The Inhauma class represents Brazil's attempt to field domestically built multi-purpose corvettes. The ships were intended for patrol, escort, anti-surface, and limited anti-submarine missions, giving the Brazilian Navy a national surface-combatant program rather than relying entirely on foreign hulls.

Multi-purpose corvette with helicopter support

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The class combined missile armament, gun systems, torpedoes, and helicopter facilities in a relatively compact hull.

Inhauma-class design choices reflect the compromise inherent in corvettes: enough weapons and sensors for regional maritime security, but not the endurance or layered air defense of a frigate or destroyer. The helicopter deck and mixed armament gave the class flexibility for Brazil's large maritime approaches.

Important for Brazilian naval industry

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The class had delays and limits, but it contributed to Brazil's indigenous warship-building experience.

For readers, the Inhauma page should connect tactical capability to industrial learning. The class was not produced in the originally planned numbers, yet it helped Brazil develop shipbuilding experience that informed later corvette and patrol-ship efforts.

Sources & References
UNITS
NameCountryStatusService YearDescription
BNS Julio de Noronha (F42)
🇧🇷Brazil
ACTIVE1994 – Present—
BNS Jaceguai (F41)
🇧🇷Brazil
ACTIVE1991 – Present—
BNS Inhaúma (F40)
🇧🇷Brazil
ACTIVE1989 – Present—
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