Specifications include, but are not limited to: 1. Scheduled Maintenance - The successful responder(s) will perform scheduled maintenance, as required by the FAA. The successful responder(s) will be responsible for keeping current on all FAA maintenance requirements. 2. FAA Annual Ground Inspections and Flight Inspections - The successful responder(s) will coordinate with FAA personnel to meet at the navigation aid and perform all of the tests required by the FAA. 3. Unscheduled Maintenance (Repair) - The successful responder(s) will provide repair service to any air navigation system that fails to report navigation or weather information. The goal is to restore any outage as soon as possible, the minimum expectation is that any outage would be diagnosed and repaired within two business days and in the case where parts needed to be ordered the time to restore would be dependent on parts availability. Pilot NOTAMS of any system failure must be posted by the successful responder immediately upon finding the system is off line. Notice of unscheduled outages will be made via telephone, by MnDOT personnel.