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HSI and EHSI

Horizontal Situation Indicators from Aspen, Garmin, and Nighthawk Flight Systems.

G5 HSI w/LPM

HSI w/GPS Nav Interface Adapter & Lightning Protection, for Certificated Aircraft Garmin Part #: K10-00280-31
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To provide even more situational awareness, G5 is also approved for installation as a replacement heading indicator/directional gyro or HSI in your panel. When paired with an affordable GMU 11 magnetometer, GAD 29B navigation data interface and select VHF Nav/Comms or GPS navigators, G5 can serve as your primary reference source for magnetic heading, VOR/LOC guidance and/or GPS course guidance — as well as providing distance and groundspeed indications.

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G5 DG/HSI w/LPM

Heading Indicator (DG) & HSI w/Lightning Protection, for Certificated Aircraft Garmin Part #: K10-00280-x1
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Available as DG/HSI kit or HSI with GPS Nav Interface kit.
To provide even more situational awareness, G5 is also approved for installation as a replacement heading indicator/directional gyro or HSI in your panel. When paired with an affordable GMU 11 magnetometer, GAD 29D navigation data interface and select VHF Nav/Comms or GPS navigators, G5 can serve as your primary reference source for magnetic heading, VOR/LOC guidance and/or GPS course guidance — as well as providing distance and groundspeed indications.

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G5 Stack w/LPM (AI & HSI)

Primary Attitude Indicator & Heading Indicator (DG) & HSI for Certificated Aircraft w/Lightning Protection Module Garmin Part #: K10-00280-01/K10-00280-31
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Package includes the following:

  • G5 Primary Attitude Indicator
  • G5 HSI w/GPS Nav Interface kit

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Picture of Dual G5 Kit w/LPM (AI & DG)
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Dual G5 Kit w/LPM (AI & DG)

Primary Attitude Indicator & Heading Indicator (DG) & HSI for Certificated Aircraft w/Lightning Protection Module Garmin Part #: K10-00280-41
From $5,395.00

Package includes the following:

  • G5 Primary Attitude Indicator
  • G5 DG/HSI
  • Lightning Protection Modules & Backup Batteries
  • GMU 11 Magnetometer w/Install Kit
  • GAD 13 Adapter w/Connector kit
  • GTP 59 OAT Probe
  • Antenna, GPS, BNC

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GI 275 HSI

Horizontal Situation Indicator Garmin Part #: 010-02327-x0
From $4,199.00

When installed as a CDI or HSI, the GI 275 is designed to accept a variety of GPS or navigation inputs, allowing up to two GPS sources and two VHF navigation sources.

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Picture of Evolution E5 (No ACU)
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Evolution E5 (No ACU)

Dual Electronic Flight Instrument Aspen Avionics Part #: 925-00101-001/NO-ACU
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Smart Upgrade. Smarter Investment.
Glass with attitude and more for under $5,000.

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Picture of Evolution E5 (ACU)
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Evolution E5 (ACU)

Dual Electronic Flight Instrument Aspen Avionics Part #: 925-00101-001-ACU
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Smart Upgrade. Smarter Investment.
Glass with attitude and more, starting under $5,000.

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SN4500

4-ATI Primary Navigation Display Nighthawk Flight Systems Part #: SN4500
From $20,989.00

Available in Black or Grey, High Vibration and NVIS compliant versions.
With the SN4500 4-ATI Primary Navigation Display, we are the HSI replacement specialists, enabling you to update your cockpit as you wish with affordable, compact navigation solutions. Key features of the easy-to-install 4-ATI SN4500 include Smart I/O™, which simplifies installation by automatically accepting inputs from digital and analog aircraft sensors. Multiple HSI navigation modes, including TACAN, and safety enhancements such as Stormscope®, TCAS traffic, and the recently added ADS-B In traffic display capabilities.

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SA4550

4-ATI Primary Attitude Display Nighthawk Flight Systems Part #: 901XX-A
From $20,989.00

Available in Black or Grey, and High Vibration versions.
The SA4550 upgrades electromechanical ADIs to a 10,000+ hour MTBF LED-backlit electronic display with pilot configurable single or dual-cue flight director command bars, Radar Altimeter, glideslope/localizer deviation scale and interfaces to AHRS or mechanical gyro systems via ARINC 407 or 429. For ease of installation, it’s plug compatible with popular Sperry, Collins and King indicators.

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SN3500

Primary Navigation Display Nighthawk Flight Systems Part #: SN3500-0xx
From $16,889.00

Available in Black or Grey, High Vibration and NVIS compliant versions.
Fully TSO'd, the compact 3-ATI turbine-class SN3500 EHSI features the same bright, wide-angle display technology found in the latest generation of aircraft, and provides true 180-degree viewability in both the horizontal and vertical axes.

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