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EFD-750 Electronic Flight Display

Product Overview

The compact, advanced EFD-750 is a scalable OEM and retrofit solution that comes standard with attitude, airspeed, altitude and slip/skid. Customized EFD-750 hardware configurations are available to support internal air data, or external air data from an existing digital source on the aircraft.

  • Mirrors PFD presenting airspeed, altitude, attitude and slip data
  • Options for heading and navigation
  • Certified to DO-178C and DO-254 Level A
  • Low cost, compact design for higher performance turboprop and light jets
  • Compatible with existing digital NAV and GPS receivers
  • High-resolution, 24-bit color display
  • 3” round case for easy installation into existing panel cutouts
  • Configurable airspeed VNE and VMO warning cues for Part 23, Part 25 and Part 27/29 aircraft
  • Configurable Static Source Error Correction (SSEC)
  • Barometric Altimeter settings may be synchronized to the aircraft’s primary display system to reduce pilot actions

Key features

Hardware

  • Active Matrix Liquid Crystal Display with 3.5" diagonal viewable area
  • Rotary knob to adjust altimeter and to scroll and select menu options
  • Ambient light sensor to automatically adjust brightness
  • Solid state internal sensors for attitude, rates and accelerations.
  • Pilot/Static inputs, or digital Air Data Computer inputs, for airspeed, altitude, and Mach.
  • Optional interface to MAG-500 for heading information
  • MicroSD card slot on front bezel for field-loadable software and configuration updates
  • Dimensions: 3.125" round case, 5.62" deep case behind panel (+0.66 connector)

Flight crew display

  • Attitude and Slip/Skid
  • Altitude, Airspeed, and Mach
  • Heading or Track – (Optional)
  • GPS and/or VOR/ILS Navigation (Optional)

Pilot menu options

Accessed by pressing the ‘Menu’ button

The pilot menu list includes:

  • NAV Mode (VOR/ILS, GPS, Off)

When Nav is enabled:

  • Set Course (When VOR/ILS)
  • Course Direct-To (When VOR)
  • Data Field On/Off

When Data Fields are enabled:

  • Set Display Brightness
  • BARO Type (In, hPa, Mb)
  • BARO Sync

When configured for Baro Sync is enabled:

  • Metric Altitude On/Off

When configured for Metric is enabled:

  • Attitude Alignment
  • System Status

Product specifications

SPECIFICATIONS
WEIGHT Maximum 2.75 lb./1.25 kg
INTERFACES (#) ARINC 429 Inputs (5), ARINC 429 Output (1), RS-485 Serial Input (interfaces with MAG-500)(1), Analog Input (OAT) (1), Dimming Bus (1), I2C interface to the DCM-750 (1). Dimming Bus input is configurable as 5V, 14V, or 28V.
POWER 14 or 28 VDC electrical systems (10-32 VDC)
NAVIGATION VOR/ILS or GPS Navigation or both
TSO C106, C113a, C201, C209
ETSO No ETSO marking on the Articles are required in accordance with FAA/EASA Technical Implementation Procedure (TIP) Rev 6 paragraph 3.3.3 “TSO/ETSO Articles”.
DESIGN DO-178C and DO-254 - Design Assurance Level A
CERTIFICATIONS

Technical Standard Orders (TSO):

  • TSO-C106 Air Data Computer
  • TSO-C113a Airborne Multi-Function Displays
  • TSO-C201 Attitude and Heading Reference System (AHRS)
  • TSO-C209 Electronic Flight Instrument System (EFIS) Display

Software & Firmware:

  • EFD-750:
    Software: DO-178C Level A
    Hardware: DO-254 Level A
  • MAG-500:
    Hardware: DO-254 Level C

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Support

Visit Technical Support Website

To gain access to the latest technical publications, service bulletins and other pertinent information about your recorders or other L3Harris devices, operators and authorized repair facilities need to register with our technical support organization for the online library.

Technical support:
Email: techsupport.cas@l3harris.com
Phone & AOG hotline: +1 (321) 674-4900

Technical publications:
Email: avionics.techpubs@l3harris.com

Cage Code / Federal Supply Code: 25583

Facility / Shipping / Mailing address:
5353 52nd Street, S.E.
Grand Rapids, MI 49512-9704 USA

Order administration / Sales / General inquiries:
Phone: +1 (616) 949-6600
Email: avionics.sales@l3harris.com

Repair and overhaul administration: 
Email: avionics.service@l3harris.com
Phone: +1 (321) 674-4900
Fax: +1 (616) 977-6895
For service repair (Part 145) returned material authorizations (RMA): Visit RMA website

Data services:
Email: dataservices.avionics@l3harris.com

Downloads

  • EFD-750 Brochure

  • Avionics Helicopter Brochure

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