Skip to main content

EFI-650 Electronic Flight Instrument System

Product overview

As a simple plug-and-play replacement for aging CRTs, the EFI-650 drastically reduces weight, lowers power consumption and offers significantly improved reliability over legacy systems; therefore improving pilot flight experiences and reducing life-cycle operating costs for business and regional jet operators.

  • Form/Fit/Function Replacement — requires no aircraft modifications
  • Eliminates Cathode Ray Tube (CRT) and high-voltage power supply for improved reliability
  • Advanced Thomas ADA 2.0 display processing technology from Thomas Global Systems

Key Features

Versatile and compact

The EFI-650 uses the latest-generation Active Matrix Liquid Crystal Display (AMLCD) technology and solid-state LED backlighting, reducing maintenance costs and eliminating obsolescence concerns associated with aging CRTs. Additionally, drop-in installation is quick and easy—no changes to the cockpit panel, LRU-mounting, mating connectors, wiring, electrical interfaces or other interfacing equipment (SGU) are required. The EFI-650 provides a growth pathway for future enhancements and display functionality such as ADS-B, graphical weather, Satellite-based Augmentation System (SBAS) approach, and windshear annunciation.


Reliable, lighter, less expensive

With a 50% lighter LCD display over standard CRTs, the EFI-650 not only reduces operational costs, it also provides outstanding screen clarity and brightness for pilots. Additionally, reliability is dramatically enhanced, offering a 50% mean-time between failures (MTBF) improvement over CRTs at >25,000 hours. The much-improved reliability translates into reduced maintenance costs, operational disruptions and risk of AOGs, as well as the need for spares.

Product specifications

OPTICAL PERFORMANCE Viewable Area: 3.4” (h) x 4.53” (w)
Addressability: 6-bits per color
Resolution: 640 x 480 (VGA)
Color: 262,144 possible; Video interface supports palette of 13 colors + black
Luminance: 0.1 fL to ~150 fL
Viewing Angles: ±45° horizontal; +45°, -23° vertical
High Amb. Contrast Ratio: > 3:1 across viewing envelope

Dimensions (H x W x D):

  • w/inclinometer: 5.1” x 6.1” x 11.0”
  • w/out inclinometer: 5.1” x 6.1” x 10.5”

Weight: Approx. 5 lb.
Cooling: Passive convective
Heating: Integrated heater
Primary Power: 28 VDC per DO-160G, Sec. 16, Cat. B; Operate thru 200 ms power interrupt
Power Consumption: < 50 Watts
Bezel Configuration: Photosensors for automatic dimming in response to ambient light

FUNCTIONAL DESCRIPTION Video Interfaces: Analog (stroke and raster) video
Video Out: Analog (stroke and raster)
Signal Interfaces: Analog and discrete
Other (i.e. Inclinometer): Inclinometer is dimmable under control of aircraft lighting bus
ENVIRONMENTAL PERFORMANCE (DO-160G) Temperature & Altitude: Sec. 4, Cat. A2
Low Operating Temp: Sec. 4.5.2, -20 °C
Low Short-Term Operating Temp: Sec. 4.5.1, -40 °C
High Short-Term Operating Temp: Sec. 4.5.3, +70 °C
High Operating Temp: Sec. 4.5.4, +70 °C
Loss of Cooling Test: Sec. 4.5.5, 240 min @ 40 °C
Ground Survival Low Temp: Sec. 4.5.1, -55 °C
Ground Survival High Temp: Sec. 4.5.3, +85 °C
Altitude: Sec. 4.6.1, 25,000 ft.
Decompression Test: Sec. 4.6.2, 25,000 ft.
Overpressure Test: Sec. 4.6.3, -15,000 ft.
Temperature Variation: Sec. 5, Cat. C
Humidity: Sec. 6, Cat. A
Operational Shocks & Crash Safety: Sec. 7, Cat. B
Vibration: Sec. 8, Cat. SM
Explosion Proofness: Sec. 9, Cat. X
Waterproofness: Sec. 10, Cat. W
Fluids Susceptibility: Sec. 11, Cat. F
Sand and Dust: Sec. 12, Cat. X
Fungus Resistance: Sec. 13, Cat. X
Salt Fog: Sec. 14, Cat. X
Magnetic Effect: Sec. 15, Cat. Z
Power Input: Sec. 16, Cat. BRX
Voltage Spike: Sec. 17, Cat. A
Aud. Freq. Conducted Susceptibility Power Inputs: Sec. 18, Cat. Z
Induced Signal Susceptibility: Sec. 19, Cat. ZC/CC
Radio Frequency Susceptibility: Sec. 20, Cat. MD
Emission of Radio Freq. Energy: Sec. 21, Cat. M
Lightning Induced Transient
Susceptibility: Sec. 22
Power Bundle: A4G3L3
Signal Wiring: A3J3L3
Lightning Direct Effects: Sec. 23, Cat. X
Icing: Sec. 24, Cat. X
Electrostatic Discharge: Sec. 25, Cat. A
Fire Flammability: Sec. 26, Cat. C


Please complete the form below to contact our team.

We value your interest and our goal is to be respectful of your time by responding to your inquiry in the most efficient way possible.

Aircraft Type *
(Please select all options that apply.)
Product Category *
(Please select all options that apply.)
Commercial aircraft inflight


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:
Phone & AOG hotline: +1 (321) 674-4900

Technical publications:

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

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

Data services:


  • EFI-650 Brochure