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A321LR bugs and possible improvements

Featured Replies

Actual bugs:

  • AFT XFR Fuel tanks are inverted (AFT1-AFT2)

  • All XFR tanks doesn't work at cruise if they are not setup at climb stage, even when they are in MAN mode. Override doesn't work.

  • APU Start PB stays on (whole flight) and consume fuel from left wing tank (The only way to override is to press the APU FIRE SB, and return it in normal position when want to use it again)

  • Center tank maintains always 120kg of fuel and can't cross to the wing tanks (MAN mode) even when wing tanks are consuming fuel.

  • NAV Lights (1+2) has an unrealistic lightning and shining from pax view at night.

  • At LDG stage the ALL cabin button doesn't work to clear the Cabin ECAM message

  • No sound of flaps from wing pax view

  • Engine start problems after multiple flights - Low PSI (Fuel pumps need to be reseted)

  • The wing tanks consumes first the fuel instead the center tank in AUTO mode.

Possible Improvements:

  • MCDU support for Winctrl

  • Message of TCAS STBY when using TCAS Winctrl (functions works, but message remains)

  • Connect the Inibuilds EFB to an external device to make an easy-going Cold & Start Flow.

Edit: 16th September 2026 - 20:55 UTC

Edited by Óscar Vergara Pérez

  • Author
2 hours ago, iniKyle said:

Hi,

Thanks for the detailed suggestions.

I will pass these along to the team for further consideration.

Thanks again!

Thanks to you for hearing! The Low PSI problem for engine starts after multiple flights, it's solved by reseting the Fuel Pumps.

Edited by Óscar Vergara Pérez

  • Author
On 9/16/2026 at 10:41 AM, Óscar Vergara Pérez said:

Actual bugs:

  • AFT XFR Fuel tanks are inverted (AFT1-AFT2)

  • All XFR tanks doesn't work at cruise if they are not setup at climb stage, even when they are in MAN mode. Override doesn't work.

  • APU Start PB stays on (whole flight) and consume fuel from left wing tank (The only way to override is to press the APU FIRE SB, and return it in normal position when want to use it again)

  • Center tank maintains always 120kg of fuel and can't cross to the wing tanks (MAN mode) even when wing tanks are consuming fuel.

  • NAV Lights (1+2) has an unrealistic lightning and shining from pax view at night.

  • At LDG stage the ALL cabin button doesn't work to clear the Cabin ECAM message

  • No sound of flaps from wing pax view

  • Engine start problems after multiple flights - Low PSI (Fuel pumps need to be reseted)

  • The wing tanks consumes first the fuel instead the center tank in AUTO mode.

Possible Improvements:

  • MCDU support for Winctrl

  • Message of TCAS STBY when using TCAS Winctrl (functions works, but message remains)

  • Connect the Inibuilds EFB to an external device to make an easy-going Cold & Start Flow.

Edit: 16th September 2026 - 20:55 UTC

Include to bugs list: Flare physics at minimum speed.

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