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𝗜𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 𝗮𝗯𝗼𝘂𝘁 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝘀, 𝗥𝗲𝘁𝘂𝗿𝗻𝘀, 𝗦𝗵𝗶𝗽𝗽𝗶𝗻𝗴 & 𝗛𝗮𝗻𝗱𝗹𝗶𝗻𝗴
Please note that unless otherwise specified, parts sold here may not currently meet the requirements of the Federal Aviation Administration (FAA). It is the buyer’s responsibility to ensure compliance with 14 CFR Chapter I or other applicable regulations, including any required FAA inspections or modifications. Please ask any questions before purchasing. While we aim to describe items accurately, the final determination of airworthiness and suitability remains the buyer’s responsibility.
Unless otherwise stated, all items are sold “AS IS” with no warranties implied.
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Collins 331A-3G Course Indicator
Collins Part Number: 522-2638-001
Manufacturer: Collins Radio Company (Rockwell Collins)
Offered for sale is a genuine Collins 331A-3G Course Indicator, a classic avionics navigation instrument used in various general aviation and corporate aircraft navigation systems.
This instrument provides course deviation indication and heading/course reference, typically used with Collins NAV receivers and related avionics systems.
The unit appears physically complete, including the faceplate, knobs, and rear connector assembly.
Condition
Untested — being sold as-is.
The unit appears clean with normal cosmetic wear from previous service use.
No missing knobs or visible structural damage noted.
Please review all photos carefully — the exact unit shown is the item you will receive.
Additional Notes
• Rear connector pins appear intact
• Includes original knobs (Course and Heading)
• Southeast Aerospace inspection seal present
Purchase Guarantee
Guaranteed to pass your inspection or your money back
If the unit is found to be not as described, it may be returned for a full refund (buyer covers return shipping).
| Weight | 4 lbs |
|---|---|
| Dimensions | 12 × 10 × 10 in |
| Brand | Collins |
| Manufacturer Part Number | 824 TSO 825 ID-824 ID-825 |
| Manufacturer | Collins Radio Company |
| MPN | 824 TSO 825 ID-824 ID-825 |
| Country/Region of Manufacture | US |
| Condition | Used |
| Condition Details | Safe $$$ – The unit is in untested used condition, See Pictures for Details. |
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