Description
 Manufacturer: Collins 
Description: Horizontal Situation Indicator 26V 
Part Number: 622-4176-001 
Model Number: HSI-85 
Serial Number: 1031 
Removed From: 1982 British Aerospace HS 125-700A in August 2023. 
Condition: This item has multiple surface scratches and minor corrosion as shown in pictures. 
Other Information: We offer a 30 Day Money Back Guarantee minus original shipping charges if the item is in unworking condition.