Emanuel Hagen

Not following the route? -> Read this

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We have collected a lot of evidence from many customers now for whom the Airbus did not follow the route as entered in the MCDU.

 

In the vast majority of cases this was caused by missing information. The users mainly forgot to enter the weights, etc. in the INIT B page.

Note this is NOT a Boeing, the INIT page has two pages in an Airbus, INIT A, where you fill the route and flight related stuff, and INIT B where you put in the weights and fuel related information.

 

If you start in a ready to fly state with the engines running the INIT B page will not be accessible anymore, but you can use the FUEL PRED page to insert your weights instead.

Please note that this is vital information required by the flight computers to be able to calculate your routing and NAV mode. Without it the Airbus might behave strangely.

 

If you feel you have done everything correclty and still encounter this issue please post the following information:

 

  • Your exact route and weight information (if available please post your OFP and tell us any difference to the OFP you used)
  • Screenshots of the PFD, ND and F-PLN page in such a situation
  • Your COROUTE file, if a company route has been used. Those can be found in Documents\Aerosoft\General\A3XX Flightplans

 

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Thank you for the reminder. Forgot it as well. That happens when you have not flown an Airbus for a year...

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Haha, same happened to me right now. Thank god there's this forum with a lot of helpful information! :)

Thanks Emi!

Good landings to you all!

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I entered all the information required for the flight (everything under "FMGS Preparation" in the "Normal Procedures Document" and every single flight I've done the aircraft deviates from the route.

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129 pax, 1.9 tons of cargo, 6 tons of fuel, FL370, CI49  (EGLL/27R DET2F DET L6 DVR UL9 KONAN UL607 SPI UT180 PESOV T180 UNOKO UNOK2M EDDF/07R), nothing abnormal on the displays, the aircraft literally just turned a completely different direction from the route. BA A319 IAE engines.

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4 minutes ago, Fredge said:

129 pax, 1.9 tons of cargo, 6 tons of fuel, FL370, CI49  (EGLL/27R DET2F DET L6 DVR UL9 KONAN UL607 SPI UT180 PESOV T180 UNOKO UNOK2M EDDF/07R), nothing abnormal on the displays, the aircraft literally just turned a completely different direction from the route. BA A319 IAE engines.

Ok, and where was the AC leaving the route? Please a screenshot in that moment with PFD, ND, MCDU (F-PLN).

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I will start a new flight now and I will comeback with all the info if the issue reappears.

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Hi,

 

see my other postings from tonight ..

 

Not following flight plan again ..

why?

KBOS to EGLL all data entered

no change to flightplan

deviation from flightplan route ..image.thumb.png.5343e49b306cba6be5cd7df06afded8f.png

 

image.thumb.png.e8e71573cef607bfc6039fbf856b004a.png

 

Thanks

cmd

image.png

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To many attempts to get it working correctly following reading posts,Youtube etc. and still the autopilot does what it wants only within the Decent parameters though.

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Thanks a million for this post! I've always wanted to learn how to fly the Airbus but kept missing the second INIT page. Emanuel, thanks for the reminder and the note about the "FUEL PRED" page if the sim starts with the engines running. Much appreciated as the aircraft now follows the flightplan.

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