L3Harris Commercial Aviation Solutions (CAS) is now known as Acron Aviation.

EFD-750 Electronic Flight Display

Acron Aviation’s EFD-750 Electronic Flight Display is one of the most advanced, high performing backup systems designed specifically for turboprop, light jet and helicopter platforms.

The Acron Aviation EFD-750 Electronic Flight Display
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Product overview

The compact EFD-750 is a scalable OEM and retrofit solution that comes standard with attitude, airspeed, altitude and slip/skid. Customized hardware configurations are available to support internal or external air data from an existing digital source on the aircraft. EFD-750 also reduces maintenance time by storing all display and interface configuration data in an OEM or installer-programmed data configuration module.

The EFD-750 is compatible with existing digital navigation and GPS receivers and features configurable airspeed VNE and VMO warning cues for Part 23, Part 25 and Part 27/29 aircraft.

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 acceleration
  • 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

The pilot menu list includes:

  • NAV mode (VOR/ILS, GPS, Off)

When nav is enabled:

  • Set sourse (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

Specifications

Weight and design

  • Maximum 2.75 lb./1.25 kg
  • DO-178C and DO-254 - Design Assurance Level A

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"

Certification

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

Customer support

Aircraft on ground: Immediate support

We have a global network of support centers to support customers with aircraft on the ground issues.

Technical pubs, repairs and spares

For the latest technical publications and contact details for our repairs and spares depots.

Related services

SkyParts Global offers direct access to high quality, OEM-reliable parts and out-of-production aerospace equipment as Used Serviceable Material. We also have hundreds of global dealers selling avionics for business and general aviation platforms, as well as helicopters. Our authorized network is committed to providing the absolute best product sales support.

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