Tender: Manufacture and In-Service Support of Replacement Coolant Radiators for BBMF Lancaster PA474

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The Authority is seeking a supplier with design capability to manufacture, test and deliver six replacement coolant radiators (including two spares) for the Battle of Britain Memorial Flight (BBMF) Lancaster aircraft (PA474) using a design-from-pattern approach due to the absence of original drawings. The requirement includes substantiation, qualification and production of airworthy units that are compliant with Military Aviation Authority (MAA) regulatory requirements and demonstrate equivalence in fit, form and function to the existing radiators; provision of production drawings, design rationale, testing (pressure, fatigue, NDT) and a Declaration of Design & Performance; manufacture and delivery to RAF Coningsby, UK in accordance with an agreed schedule; supply of Special-to-Type containers for transport and storage; certification such as Certificates of Conformity and compliance with quality standards (e.g. ISO 9001/AS9100 or equivalent); and delivery of in-service support artefacts including a Bill of Materials, Initial Provisioning List, maintenance documentation and recommended tooling and consumables to support continued airworthiness to an Out of Service Date of 2035 (with potential extension to 2040). All units must integrate seamlessly with the existing aircraft systems and coolant specifications.