Aircraft Directional Gyro / Heading IndicatorManufacturer: Edo-Aire / Mid-Continent Instruments
Model: 4000D-1 / G-502A
Part Number: 1U262-005-20 (also marked IU262-005-20)
TSO: C5c Type I
Vacuum Range: 4.5 to 5.2 in. Hg
Weight: 2.6 lb
Date stamp visible: JAN 29 2003Classic vacuum-driven directional gyro with standard aircraft face (yellow airplane silhouette, compass card, HDG and PUSH knobs). Back has the air inlet/outlet ports and electrical connector. Multiple original Mid-Continent Instruments stickers and caution labels are present.Condition notes:
Used / as-removed. Shows normal cosmetic wear, dust, and some label fading consistent with age. Knobs and face are intact.Important observation:When the instrument is tilted or moved, the internal gyro rotor spins freely. This indicates the mechanism is not seized.Still sold as untested under vacuum power. No functional bench test has been performed. Sold as-is with no warranty.Ideal for experimental aircraft, restoration projects, display, or as a core.Multiple clear photos of the face, all sides, back, and labels are included.Ships carefully packed with protection for this delicate instrument. Feel free to message with any questions.
