CRT Simulation

Modern Airbus aircraft facilitate the use of LCDs (Liquid Crystal Displays) to display aircraft navigational and system information. CRT (Cathode Ray Tube) usage has dwindled due to the superiority of LCD technology.

Cathode Ray Tube Display, Image: Swiss-Sim, Ebay

The A320 aircraft we are simulating utilizes CRT displays, part of the EIS (Electronic Instrument System) “1”.  Creating a ‘CRT’ displays requires the use of a LCD  which can fit carefully within the main instrument panel (MIP) without disrupting the other instruments. It is mandatory for the LCD to be extremely thin so it can mount on top of the MIP. Another essential requirement is a wide FOV (field of view) and viewing angle to allow for visibility on the sides.


The LCD model B156HAN01.2, B156HAN06.1 (multiple variants) / BOE NV156FHM-N42 fits these requirements.  The LCD is a TFT panel with an LED backlight driving circuit. The resolution is 1920 (H) x 1080 (V) with 262k colours.

Certain LCD models may not be appropriate for the centre ECAM display; the wiring ribbon for NVH156FHM-N42 is shorter in length and does not allow it to to fold.

B156HAN01.2 wiring ribbon is sufficient for the circuit board to fold and fit within the EIS1/2 display dimensions

General specifications:


Optical specifications:


Glass tinted (~ 20-25 %) to provide a smokey effect has also been installed to achieve the desired CRT simulation.

The next step is to apply adhesive black vinyl borders onto the glass to complete the illusion.

The covers retains its thin profile and can be mounted directly onto the Main Instrument Panel

9 thoughts on “CRT Simulation

  1. Hello again Ben,
    I want to use this solution for the ECAM displays. But I have issues getting the right Display.
    As I see on the picture of the ECAMs Display it is a bit different. The part where the connector is attached to is different.
    Mine got this silver foil covered part on the bottom makes it too high. As your part covered black on the bottom of the other Displays used for PFDs and NDs.

    Do you have an exact number of this AUO Display?

    kind regards


      • Where is the Connector on this display? I cant see it on the Picture. On other Displays with this number, onfortunately I cant find original AUO Displays is a PCB atteched to the Bottom of the display. This makes it too large as it will interfere with the Chrono or ISIS. Did you move this PCB?
        Another problem is, I cant find a driver board for it.

        Kind regards


      • Hi Michael, the connector is seen in the photo where the white ribbon connects. I believe I had to remove a black outline frame to enable the LCD to fit. You should be able to find the driver board on Aliexpress.




      • Hello Ben,

        thank you for you answers.
        For me it seems like you removed the black foil and flipped the PCB on the Front side of the Display, there are still these two small brackets with the holes for the screws the PCB was attached to on your picture(these you didn’t bent).

        I did this, cut it and flipped the PCB, but it is very hard to do, because this causes a loose connection and flickering of the Display, if there is a bad angle, but finally I got it.

        Kind regards


    • Hi Michael, I replaced one of my displays and it looks like the ribbon cable using model NVH156FHM-N42 is too short; I would use the B156HAN models so the circuit board can fold over and fit into the frame.


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