Available as an option in some navigation CDIs, the course datum synchro is useful for autopilot interface. Course datum provides course information to the autopilot for use to compute VOR intercepts. REPAIR Average Repair Costs for GI-106A Contact SEA’s Service Department for more information or submit a Repair RFQ via email. NOTE: The average prices listed below are historic averages only. These do not represent a firm price to repair and should be used for reference only. An actual cost to repair can only be determined upon a full evaluation at our repair station. Average turn-time is 5-10 days. Part# Bench Test Avg Repair Avg Overhaul Notes ALL N/A $600.00 $0.00 Flat rate repair from factory Item is not available for over-the-counter(OTC) sale and must be installed by Southeast Aerospace. If you are interested in an installation quotation, please click here.