The County of Los Angeles Sheriff's Department (Department) is seeking qualified companies (Vendors) to enter into Master Agreements with the County to maintain, repair, overhaul, refurbish, complete, and/or modify the existing fleet of Department helicopters and their components, and to maintain repair, overhaul, refurbish, complete and/or modify any further helicopters of like model that the Department may acquire, and/or surplus components for the above helicopters acquired by the Department. Vendors awarded a Master Agreement shall provide services for major repairs, including but not limited to: scheduled overhauls of dynamic components, engines and engine accessories, engineering support, structural airframe repairs, and various non-critical component repairs.