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News: Precision Simulator update 10.92 (26 October 2019) is now available

Author Topic: PROG Page Computation Fault  (Read 383 times)

United744

  • Join date: Oct 2014
  • Posts: 797
PROG Page Computation Fault
« on: Fri, 19 Jul 2019 02:09 »
Hi,

There is a weird problem when you just enter a departure and destination airport, and enter some waypoints on the LEGS page. For some reason, the FMS is unable to correctly calculate distances.

From what I can tell, the LEGS page is correct, but the PROG page just goes nuts.

Steps to reproduce:

* Enter a departure and destination airport in RTE
* Enter a fix near the destination
* Observe the calculations

You can make it do all manner of strange things by just entering various fixes in the LEGS page.

https://i.imgur.com/lIRegMV.png

Holger Wende

  • Join date: May 2009
  • Location: EDDM
  • Posts: 317
Re: PROG Page Computation Fault
« Reply #1 on: Fri, 19 Jul 2019 06:36 »
Do you see the same.behaviour if enough fuel is on board?
It seems in you example you have 0 fuel at EGLL, so it's impossible to calculate reasonable progress.

Just an idea.

Regards, Holger

Holger Wende

  • Join date: May 2009
  • Location: EDDM
  • Posts: 317
Re: PROG Page Computation Fault
« Reply #2 on: Fri, 19 Jul 2019 06:52 »
Ok, fuel should not impact distance calculations.
Which LON fix did you select, i.e. what's the distance from your LON to EGLL?
What distances are shown in the legs page if you enter EGLL as well?

Hardy Heinlin

  • Moderator
  • Join date: May 2009
  • Posts: 10953
    • Aerowinx
Re: PROG Page Computation Fault
« Reply #3 on: Fri, 19 Jul 2019 07:15 »
United744, which version?

This is a known bug and was fixed some versions ago.

United744

  • Join date: Oct 2014
  • Posts: 797
Re: PROG Page Computation Fault
« Reply #4 on: Mon, 22 Jul 2019 21:38 »
Hi,

@Hardy: latest (10.82).

Hardy Heinlin

  • Moderator
  • Join date: May 2009
  • Posts: 10953
    • Aerowinx
Re: PROG Page Computation Fault
« Reply #5 on: Mon, 22 Jul 2019 21:42 »
I can't reproduce this problem. Can you?

The latest is 10.84, by the way.

United744

  • Join date: Oct 2014
  • Posts: 797
Re: PROG Page Computation Fault
« Reply #6 on: Tue, 23 Jul 2019 02:01 »
Strange - I only downloaded it the other night!

I'll get 10.84 and report back!

United744

  • Join date: Oct 2014
  • Posts: 797
Re: PROG Page Computation Fault
« Reply #7 on: Tue, 23 Jul 2019 02:22 »
Working! Thanks Hardy!