Description
 Manufacturer: Teledyne Avionics 
Description: Inertial-Lead Vertical Speed Indicator 
Part Number: SLZ9157 
Model Number: D6HL 
Serial Number: AV1077A 
Removed From: 1972 Hawker Siddeley HS-125-600A in February, 2019. 
Condition: Item appears to be in overall good condition with a couple of surface scratches 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. 
 
            