UKRI is looking to establish a contract for engineering services (airframe, engine, avionics and design) relating to the maintenance of our four Viking DHC6-300 (Twin Otter) aircraft. This requirement is likely to cover the following services, please note this list is not exhaustive: - Supply of spare parts and additional tooling - Engineering services (Airframe, Engine, Avionics and Design) - Adherence to relevant regulations and certifications - Ensuring availability of aircraft (inspections, audits, medevacs) - Safe storage of aircraft *Please note this is not a call for competition, this is only a Request for Information exercise*