Specifications include, but are not limited to: Must be capable of providing maintenance service for the Police Department's flight program (an average of 2,000 flight hours per year) over the next five (5) years. The vendor shall provide inspections, scheduled and unscheduled maintenance as may be required by Service Letters, Service Bulletins and Airworthiness Directives as outlined in the Airbus Helicopter Maintenance and Overhaul Manual, Safran Engine Maintenance Manual and Federal Aviation Regulations. Unscheduled maintenance shall encompass the labor and parts costs associated with the premature removal of retirement parts and / or overhaul components and maintenance performed between scheduled and special inspections.