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Buque de Acción Marítima
Rayo P42.jpg
BAM Rayo (P-42)
Class overview
Builders: NAVANTIA
Operators:  Spanish Navy
Cost: €488.4m for four[1] (~US$160m each)
Building: 0
Planned: 9
Completed: 4
General characteristics
Type: Offshore Patrol Vessel (OPV)
Displacement: 2,500 t (full load)
Length: 93.9m
Beam: 14.2m
Draft: 4.2m
Propulsion: 2 diesel engines
4 groups diesel generators
2 electric motors propellers
1 Emergency generator
Located 2 cross bow thruster
Speed: 20+ knots
Range: 8700 mi
Complement: 35 crew and 35 forces
Armament: 1 cannon 76/62 mm gun
2 25 mm Automatic Mountings
2 × 12.7 mm machine guns
Aircraft carried: 1 × NH-90

The BAM (Buque de Acción Marítima) ships are new modular Offshore Patrol Vessels of the Spanish Navy adapted to different purposes from a common base, manufactured by Navantia. The BAMs combine high performance with mission versatility, a high commonality with other ships operated by the Spanish navy. Acquisition and lifecycle costs are reduced.


The BAMs are a common platform for a variety of missions, used to develop whole families of types of ships that meet the diverse needs of the Navy.

Its main missions are:

  • Protection and escort of other ships in low intensity/asymmetric warfare situations
  • Control of maritime traffic
  • Control and neutralization of terrorism and piracy
  • Operations against drug trafficking and human trafficking
  • Search and rescue
  • Support for crisis situations and humanitarian aid
  • Control of fishing laws
  • Control of environmental legislation and anti-pollution.

Modular design enables the ships to be modified for purposes outside main missions such as hydrographic research, intelligence gathering, diving support and salvage operations.


Construction began on 4 October 2007 with the cutting of the first sheet and was placed on the stands the first on March 13, 2009, in the shipyard San Fernando. The budget was €352m for four units but the final cost was €488.4m.[1]

In June 2009, the Secretary of State for Defence and Congress confirmed the construction of a second batch to replace older patrol boats of the Anaga (3), Toralla (2), Descubierta (4) and the now-retired Barceló (6) & Conejera (4) classes. In September 2010, the Ministry of Defence said a contract would be signed with Navantia for four additional vessels to be delivered by 2015, but the contract has yet to be signed. Navantia has indicated that the Batch 2 vessels will be more modular, with the potential to switch between oceanography, intelligence gathering and search-and-rescue. One will be a diving support vessel, and one will be a research vessel for hydrography and logistical support in the Antarctic.


BAM Meteoro (P-41)

The first four ships were assigned these names and numbers:

  • BAM Meteoro (P-41)
  • BAM Rayo (P-42)
  • BAM Relampago (P-43)
  • BAM Tornado (P-44)


This article contains content from the Spanish Wikipedia.

  1. 1.0 1.1 Ministerio de Defensa (September 2011). "Evaluación de los Programas Especiales de Armamento (PEAs)" (in Spanish). Madrid: Grupo Atenea. Retrieved 30 September 2012. 

External links[]

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