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Next Generation Missile Vessel (NGMV)

India is looking to acquire 06 next generation missile vessels (NGMVs) under Buy (Indian)/Buy and Make (Indian) category. The Ministry of Defence issued a request for information February 11, 2015. The aim of RFI To finalise the specifications of Next Generation Missile Vessels (NGMVs) to meet the Indian Navys requirements.

India is looking to acquire at least six vessels. The Indian Navy wants a vessel capable of a maximum speed of no less than 35 knots and able to remain at sea for up to 10 days. The NGMV will carry surface-to-air and anti-ship missiles. The vessel will need a range of 2,800 nautical miles.

The 1,250-ton pocket battleships are to be armed with Brahmos anti-shipping missiles which can strike targets at sea and on land 300 kilometeres away. The boats, which will replace the Navys ageing Prabal class missile-boats, will be equipped with surface to air missiles, close-in-weapon-systems to intercept hostile missiles, a main gun and point defence guns.

The main capabilities that NGMVs are envisaged to possess are Surface warfare capabilities, low RADAR, acoustic, magnetic and IR signature, high endurance and credible AMD/AA capability.

The RFI on NGMVs leaves out specifics of displacement, though it appears that it could be a 2,000-2,500 tonne vessel, a class smaller than the Kamorta class ASW Corvettes, indigenously designed by DGND (SSG) and built by the Garden Reach Shipyard and Engineers Limited, Kolkata, but larger than the Kora and Khukri class corvettes also from the GRSE stables. NGMVs could well be an advanced version of Goa Shipyard Ltd. built Saryu class, NOPVs but with powerful weapons package.

The new Russian 22160 class corvette will probably be a contender for this order. With 24 Shtil-1 SAMs and 8 KALIBIRs she should be almost as heavily armed as a full size frigate while displacing only half the weight. A customised version of the same for the IN could carry 4 Nirbahy's and 8 BRAHMOS alongwith 24 Barak 1.

The Indian Navy (IN) Directorate of Ship Production issued a request for information (RfI) relating to six Next Generation Missile Vessels (NGMVs) under the "Buy (Indian)/Buy and Make (Indian)" category of the Defence Procurement Policy (DPP) 2013. The RfI, issued in early February, aimed to "finalise the specifications of the NGMVs to meet the Indian Navy's requirements," after which requests for proposal (RfPs) will be issued to selected vendors. The RfI stipulates that the IN only welcomed responses from vendors that meet certain "minimum qualifying criteria" including the key stipulation that it should be a shipyard that has built "vessel(s) of similar specifications".

The Defense Acquisition Council headed by Defense Minister Manohar Parrikar held a meeting at the Defense Ministry 25 June 2016 that approved a proposal to construct an all-new class of six next-generation missile boats in India, which, once completed, will be among the most powerful vessels of their class in the world. The 1,250-ton pocket battleships are to be armed with Brahmos anti-shipping missiles.

The boats, which will replace the Navys ageing Prabal class missile-boats, will also be equipped with surface to air missiles, close-in-weapon-systems to intercept hostile missiles, a main gun and point defence guns to counter threats, potentially from terrorists operating in small fast boats. They will be built in India and with the project likely to cost Rs. 13,000 crores.

The main capabilities that NGMVs are envisaged to possess are Surface warfare capabilities, low RADAR, acoustic, magnetic and IR signature, high endurance and credible AMD/AA capability. The propulsion system should be able to provide the requisite power to weight ratio required for the ship. The propulsion system should also cater for greater endurance and operations in low speed regimes during Low Intensity Maritime Operations (LIMO) or Exclusive Economic Zone (EEZ) patrols. The main engines should be capable of achieving the rated speed at 85% MCR of the engine. The propulsion system should be suitably designed to meet the stealth requirements of the ship. The ships MCR should have automated and remote monitoring and indication and control capability for all machinery including PGD.

Auxiliary systems like AC, refrigeration and ventilation, fire main, salvage, ballast and other relevant auxiliary systems as per class requirements and considered necessary for meeting operational requirements to be provided.

The Integrated Platform Management System (IPMS) shall be dual redundant Gigabit Ethernet Network, distributed architecture system covering the ship machinery and systems. The purpose of the integrated system shall be to provide control and monitoring of the propulsion machinery, power generation and distribution, auxiliary machinery and Damage control (NBCD) machinery and systems through corresponding sub-systems.

An independent APMS system with switchboard should be provided to cater for 100% reserve power and redundancy vis-a-vis maximum electrical load envisaged at any operating regimes of the ship assuming an ideal loading of generators to 80% of the nominal rating. Growth margin is to be catered as per IN policy, subject to a minimum of 10% of the estimated value. The APMS system is to be suitably interfaced with IPMS. Generators should be suitable for unattended parallel operation. The electrical system and machinery and associated equipment shall conform to Naval standards over and above classification rules.

Beam/ Length Commensurate with the draft and displacement of the ship.
Displacement As per design
Draft < 5.0 m
Hull Form Single hull construction based on proven hull form or supported by adequate model testing for resistance, propulsion, manoeuvring and sea-keeping.
Complement The ship would have a complement of approx 11 officers, 02 U/T Officers and approx 80 sailors.
Range &Speed
  • The range of ship should be not less than 2800 nm at sustained economical speed and 1000 Nm at max speed.
  • Max speed of the ship should not be less than 35 kn.
  • The max-sustained speed should not be less than 25 kn.
  • The ship should be capable of operating at low speed of ten knots for atleast 08 hrs continuously. Restriction in engine hours should not be an overbearing consideration, to enable flexibility in tasking
  • Endurance
  • The ship should be able to sustain at sea at economical speed for a minimum of 10 days without Operational Turn Around OTR (with 25 % reserve fuel remaining onboard).
  • The ship should also have the ability to undertake astern fuelling from Tanker/ Capital ships to increase endurance.
  • Propulsion The propulsion system should be able to provide the requisite power to weight ratio required for the ship. The propulsion system should also cater for greater endurance and operations in low speed regimes during Low Intensity Maritime Operations (LIMO) or Exclusive Economic Zone (EEZ) patrols. The main engines should be capable of achieving the rated speed at 85% MCR of the engine. The propulsion system should be suitably designed to meet the stealth requirements of the ship. The ships MCR should have automated and remote monitoring and indication and control capability for all machinery including PGD.
    Auxiliaries Auxiliary systems like AC, refrigeration and ventilation, fire main, salvage, ballast and other relevant auxiliary systems as per class requirements and considered necessary for meeting operational requirements to be provided.
    IPMS The Integrated Platform Management System (IPMS) shall be dual redundant Gigabit Ethernet Network, distributed architecture system covering the ship machinery and systems. The purpose of the integrated system shall be to provide control and monitoring of the propulsion machinery, power generation and distribution, auxiliary machinery and Damage control (NBCD) machinery and systems through corresponding sub-systems.
    Power Generation and Distribution
  • An independent APMS system with switchboard should be provided to cater for 100% reserve power and redundancy vis-a-vis maximum electrical load envisaged at any operating regimes of the ship assuming an ideal loading of generators to 80% of the nominal rating. Growth margin is to be catered as per IN policy, subject to a minimum of 10% of the estimated value. The APMS system is to be suitably interfaced with IPMS.
  • Generators should be suitable for unattended parallel operation.
  • The electrical system and machinery and associated equipment shall conform to Naval standards over and above classification rules.
  • Cold and Cool Rooms Cold and Cool rooms to carry fresh victuals for at least 15 days and dry provision store to keep rations for at least 30 days should be provided
    Weapons
  • SSM Complex. The ship should carry a minimum of 08 SSMs.
  • SAM System. The ship should be fitted with a Point Defence Missile System (PDMS) for providing credible near 360-degree Anti Missile Defence (AMD) coverage to the ship. It should be able to engage sea-skimming missiles, flying 3-5 m above sea level, upto a max speed of 3 Mach.
  • MR Gun System. A Gun with stealth features having range not less than 15 km and capability to carry out Surface to surface, Air to Air and Anti Missile Defence (AMD) engagements should be fitted. It should have the facility to be remoted using Fire Control Radars (FCR) as well as EO (Electro-Optical) sight.
  • CIWS. The Close In Weapon System (CIWS) should be both radar and EO (Electro Optically) guided to double up as Low Intensity Maritime Operation (LIMO) weapon. The placement of CIWS should be such that it provides near 360-degree Anti Missile Defence (AMD) protection without requirement of course alteration.
  • Chaff. The ship should be fitted with suitable chaff system to provide credible passive ECM capability against incoming missiles. It should be capable of firing chaff in all round direction in distraction, seduction and centroid modes.
  • Small Arms. As per allowance.
  • Low Intensity Maritime Operation Weapons. The ship should be fitted with following weapons for Low Intensity Maritime Operation: Two SRG with suitable system; Acoustic Warning Device; High power search lights with remote activation and Control.
  • Sensors
  • Passive Detection System. An Infra Red Search and Track (IRST) system should be fitted onboard. The system should be integrated with all gun mountings and should have the facility for interfacing with Combat Management Sytem (CMS).
  • Surveillance Radars. The ship should be fitted with one each Surface and Air surveillance radar for early warning and Fire Control Radars (FCR) for target indication to all its weapons.
  • Combat Management System. The ship is to be fitted with an integrated Combat Management System (CMS) for network centric operations and quick response for situations at sea. The ship should also have a Ship Data Network (SDN), which should form the backbone for networking all weapons, sensors, SHHD equipment and integrating the CMS to enable exchange of data between ship borne systems. Networks like IPMS, IBS and ACCS are to be interfaced to SDN via suitable gateways, if required.
  • Navigation Systems. All the latest navigational aids should be available onboard the ship, viz. Integrated Bridge System (IBS), ECDIS, AIS, LRIT, DGPS, COTS radar with good ARPA displays etc. The systems fitted should comply with the latest IMO regulations. Standard Naval IFF system would also be part of the fit.
  • Communication & EW Outfit The ship should have an Advanced Composite Communication Suite (ACCS) integrating all communication equipment to the communication data-bus. The number of aerials should be limited by using the concept of 'common aerial working' or similar concept. The ACCS should be fully compatible with the data link equipment. The communication and EW equipment outfit is to be as follows:-
  • Sufficient V/UHF sets.
  • SATCOM (fixed & Portable) equipment on indigenous satellite as well as INMARSAT.
  • VLF (for reception of VLF broadcast and plot transfer) equipment.
  • HF sets for long distance two-way communication i.e receive HF digital broadcast and transmit high speed digital messages and plots.
  • Equipment which are part of IMO regulations.
  • An EW suite consisting of an ESM system capable of detecting emitters in the frequency range of 0.4 GHz to 40 GHz.
  • COMINT system with direction finding in the frequency range of 30 MHZ to 3 GHZ, capable of detecting various types of modern radar and communication equipment waveforms.
  • Cryptographic equipment.
  • Speech secrecy and data security equipment.
  • Portable HF and V/UHF equipment.
  • DAT recorder.
  • Visual Signalling equipment.
  • Network Centric Tools All the latest Network Centric Warfare (NCW) tools and equipment should be available in the ship, economically designed and fitted to save on space.
    Op Cycle The operational duration of the ship between two consecutive refits is to be minimum 18 months.
    Degaussing The ship should have computerised tri-axial DG system catering for automatic compensation with ship's RLG. Automatic compensation for ship's heading, and manual latitude correction up to 70 deg N/S latitude.
    Sea Worthiness The ship should be capable of the following:-
  • Operational sea worthiness upto sea state 3.
  • Survivabilty upto Sea State 7.
  • Transit on all headings upto Sea State 4 and most suitable heading in Sea state 5.
  • The vessel should be built as per IN policy on shock grading.
  • Stability
  • The vessel should satisfy the stability requirements for both intact and damaged condition, including growth margins as per NES 109 - 2000 for Naval vessels in military role.
  • Should be fitted with stabilisers.
  • Habitability Habitability to be iaw NES 107 and IHQ MoD(N) guidelines. Latest ship design concepts with respect to Ergonomics / functional aspects and Crew comfort are to be adopted. Equipment is to be sited so as to cause least disturbance to crew in operational compartments and messes.



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    Page last modified: 30-01-2019 19:24:04 ZULU