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    ContractsMerlin Mk4/4A ACSR Controller Replacement Solution
    Awarded contract

    Merlin Mk4/4A ACSR Controller Replacement Solution

    Awarded
    £6.8m
    Published 24 Jul 2026

    Opportunity to design and supply replacement Active Control Structural Response (ACSR) Controllers for Merlin Mk4/4A helicopters to resolve compatibility issues with existing Mk2 fleet controllers.

    🇬🇧United KingdomPublished 24 Jul 2026· 3 months agoviaContracts Finder
    Awarded
    £6.8m
    Published 24 Jul 2026

    Decision brief

    4 fields
    • Contract value
      £6,845,616
      Pounds sterling
    • Tender closed
      26 Sept 2025
      1 year ago
    • Sector
      Facilities Management
      Browse related listings
    • Location
      🇬🇧United Kingdom

    Suppliers

    1 supplier
    • LH
      Leonardo Helicopters Ltd
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 3 months ago.

    24 Jul 2026Today26 Sept 2025

    Brief

    This opportunity addresses the obsolescence of Active Control Structural Response (ACSR) Controllers installed on Merlin Mk4/4a helicopter platforms. The current ACSR Controllers were designed for the Merlin Mk2 fleet and are incompatible with modified Merlin Mk4/4A aircraft due to design differences that prevent retrofit installation. Suppliers are sought to develop and deliver replacement ACSR Controller solutions that are compatible with the Mk4/4A modification requirements and can be integrated without restricting future aircraft modifications. This is a critical modernization initiative to ensure operational capability and system commonality across the Merlin fleet.

    Track record

    32 awards · 23 winners
    Open field

    No single supplier dominates the field.

    In facilities management, MINISTRY OF DEFENCE has awarded 32 contracts to 23 suppliers.

    Who wins here
    1. ANSCHUETZ UK LTD3× · 9%
    2. DELL CORPORATION LIMITED2× · 6%
    3. SeaTec UK Ltd2× · 6%
    4. Leonardo Helicopters Ltd2× · 6%
    5. Cummins Ltd2× · 6%
    6. Rolls-Royce plc2× · 6%

    +17 more suppliers

    Across facilities management, the most active winners are NHS SUPPLY CHAIN COORDINATION LIMITED NHSSC SCCL, TUNSTALL HEALTHCARE UK LTD, NHS ENGLAND — the field to beat, or your route in as a partner.

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    Take action
    View on sourceContracts Finder

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    contractsfinder.service.gov.uk
    Record ID
    bdd36cb2-b842-4f71-819a-d86841a44de2-908190

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    MD
    Buyer
    MINISTRY OF DEFENCE
    Sector
    Facilities Management