Up for sale is a genuine, vintage Aircraft Radio Corp (ARC) IN-514R series Course Indicator (Part Number: 31640A). Manufactured in June 1967, this classic VOR/LOC indicator was standard equipment in many 1960s and 1970s Cessna general aviation aircraft. It features a left/right localizer needle, an OBS (Omni Bearing Selector) card, and an internal TO/FROM/OFF flag mechanism.
This is a fantastic addition for a vintage aircraft restoration project, an authentic home flight simulator build, or as a display piece for aviation collectors.Item Details & Specifications• Manufacturer: Aircraft Radio Corp (ARC) / Cessna Avionics
• Part Number: 31640A
• Serial Number: 8721
• Date of Manufacture: June 1967 (Stamped \"JUN 1967\")
• Connector Type: MS3102A-18-1P (Standard 10-pin military-style threaded connector)
• Features: Built-in course selection potentiometer schematic printed clearly on the original side label.Condition Notes• Cosmetic: Used, vintage condition. The housing has some paint wear, scuffs, and typical marks expected from an instrument of this era. The glass is intact but shows minor surface aging/dust inside. The internal face has some handwritten grease-pencil/marker notations next to the heading card (around the 300° mark) from prior field use.
• Mechanical: The mechanical OBS knob turns smoothly and adjusts the heading card properly.
• Operational Status: Untested. This unit was removed from a retired aircraft panel and is being sold As-Is / For Parts, Restoration, or Core Exchange. We cannot verify if it meets FAA airworthiness standards.Shipping & Handling• Securely packed in an anti-static/cushioned box to ensure safe transit.
• Ships within 1–2 business days with tracking included.
