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

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The Authority is seeking a supplier for design capability to manufacture, test and deliver replacement coolant radiators for the Battle of Britain Memorial Flight (BBMF) Lancaster aircraft (PA474). The requirement is to replicate the original design standard using a design-from-pattern approach (original drawings absent) to produce six replacement radiators, including two spares, that are airworthy, meet Military Aviation Authority (MAA) regulatory requirements and demonstrate equivalence in fit, form and function. The contractor must substantiate, qualify and produce the radiators, provide production drawings and design rationale, perform testing (pressure, fatigue, NDT) and provide a Declaration of Design & Performance, manufacture and deliver all units per an agreed schedule, supply Special to Type Containers for transport and storage, provide certification (e.g. Certificates of Conformity) and comply with quality standards (e.g. ISO 9001/AS9100 or equivalent), and deliver 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 goods are to be delivered to RAF Coningsby, UK and must integrate seamlessly with existing aircraft systems and coolant specifications.