Delivery of maintenance, consumables and spare parts in relation to maintenance on four Royal Danish Air Force (RDAF) Challenger 604 aircraft. The maintenance will comprise of all maintenance on airframe as well as engine and avionics above 24 months inspection and ad hoc repairs. The tenderer shall be able to provide onsite support both domestic and abroad on secure Forward Operating Base (FOB). The tenderer must be a Bombardier Licensed Service Facility.