Rugged design

Designed specifically for rugged military environments, the L3Harris EHSI-3000 requires 28 VDC, weighs less than three pounds, interfaces via dual 1553B multiplex busses and is tested to MIL-STD-810 and MIL-STD-461/462 environmental requirements. This easily retrofitted unit features basic functions for selection among four modes: ILS/TACAN, TACAN, NAV and ILS/NAV. The EHSI- 3000 meets TYPE 1 Class B NVG lighting requirements.

Valuable tool for pilots

The EHSI-3000 is filled with features that make it a valuable tool in the cockpit. In addition to aircraft heading, the EHSI-3000 features a range indicator, RMI bearing pointer and reciprocal pointer, a course deviation indicator, to/from station indication for TACAN and NAV modes, and a heading marker, among other features and capabilities.




Less than 3 lb.


28 VDC @ 1.5 amps
26 VAC
400 Hz
0 to 4.5 VAC/DAC bus


Tested to MIL-STD-461/-462/-810


NVIS display brightness mode switch 0.04 fL to 150 fL

Product support & sales

Facility/Shipping/Mailing Address:
5353 52nd Street, S.E.
Grand Rapids, MI 49512-9704
Main Phone Line: +1 (616) 949-6600
Fax: +1 (616) 977-6898

Order Administration/Sales/General Inquiries:
Phone: +1 (800) 253-9525 or
+1 (616) 949-6600

Repair and Overhaul Administration:
Phone: +1 (800) 253-9525
Fax: +1 (616) 977-6895

Technical Support:
Phone: +1 (616) 949-6600
AOG Hotline: +1 (800) 453-0288 or +1 (616) 949-6600

Technical Publications:


Cage Code/Federal Supply Code: 25583

Find a dealer
Find a dealer
Technical publications

Current L3Harris product owners and L3Harris Authorized Repair Facilities needing to access the latest versions of our Technical Publications and Service Bulletins are encouraged to register:

Once you are registered you will be able to search our Technical Publications and Service Bulletin library.

Register Recorders Here