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HSI: Horizontal Situation Indicator

HSI - Click to enlarge
HSI - Click to enlarge
An HSI is the original moving map. It puts your course, heading, relationship to the airway, and glideslope all right in front of the pilot.

When choosing an HSI, consider your primary flight instruments. Are they driven by vacuum or electricity? You may wish to add an HSI driven by the opposite source, for better redundancy and improved partial-panel information. The NSD-360A is vacuum, and the KCS-55A and SN-3308 EHSI are electric.

If you are looking for an HSI that is not listed here, please click Ask us about an HSI to send us an email. If we don't have it in stock, we can find it for you!



Century NSD-360A Non-Slaved Compass System (HSI)
Century NSD-360A Non-Slaved Compass System (HSI)

NSD360A$4,195.00Need Connectors?: 
Century NSD-360A Slaved Compass System (HSI)
Century NSD-360A Slaved Compass System (HSI)

NSD360A-SLAVED$6,195.00Need Connectors?: 
King KCS-55A Compass System (HSI)
King KCS-55A Compass System (HSI)

KCS55A$6,795.00Voltage Needed?: 
King KCS-55A Compass System (HSI) with Bootstrap Output
King KCS-55A Compass System (HSI) with Bootstrap Output

KCS55A-BOOT$6,995.00Voltage Needed?: 
King KI-525A HSI Indicator
King KI-525A HSI Indicator

KI525A$3,395.00Need Connector?: 
King KI-525A HSI Indicator with Bootstrap Output
King KI-525A HSI Indicator with Bootstrap Output

KI525A-BOOT$3,495.00Need Connector?: 
Sandel SN-3308 Electronic HSI (EHSI)
Sandel SN-3308 Electronic HSI (EHSI)

SN3308$2,995.00Need Rack & Connectors?: 

Bennett Avionics: Quality Used Avionics, Professional Service