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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    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· 2 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 years 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 2 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

    31 awards · 23 winners
    Open field

    No single supplier dominates the field.

    In facilities management, MINISTRY OF DEFENCE has awarded 31 contracts to 23 suppliers.

    Who wins here
    1. ANSCHUETZ UK LTD3× · 10%
    2. DELL CORPORATION LIMITED2× · 6%
    3. SeaTec UK Ltd2× · 6%
    4. Leonardo Helicopters Ltd2× · 6%
    5. Cummins Ltd2× · 6%
    6. Mitchell Powersystems2× · 6%

    +17 more suppliers

    Across facilities management, the most active winners are NHS SUPPLY CHAIN COORDINATION LIMITED NHSSC SCCL, TUNSTALL HEALTHCARE UK LTD, CARL ZEISS — 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

    Your fit

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    MD
    Buyer
    MINISTRY OF DEFENCE
    Sector
    Facilities Management