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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Collins 331A-3G Course Indicat...

$179.00