J41 FMC/AP misses User Defined Waypoint

[fs1 295]

Dear Sirs,

 

Hope all is well. I have a problem with the FMC and AP in the J41.

 

I have made a FPL through the FMC, where one of the Waypoints was user defined (not offset), I have entered manually

 

POS:

N 48 31.19

W 123 01.27

 

OverFly: YES

 

When flying to this Waypoint, the Autopilot misses it, it flies (EXACTLY) over N 48 31 W123 01, ignoring the decimals (or seconds).

 

Please note that when flying to an existing Database Waypoint this issue doesn't happen.

 

Can anyone help me?

 

Thanks

 

Federico Sucari

[sheepfu 3]

From the resolution of your screen shot it is hard to tell what lateral mode your plane is using. If you could post a picture in map mode it might help. Then we could see if your user defined waypoint is even showing up as an active leg.

[fs1 295]

I fly the TEST leg, reaching waypoint is ignoring the decimals.

 

The lat/lon (above in picture) are the same as thrown by FMC.

 

Federico Sucari

[fs1 295]

Screenshot of FMC exact moment crossing TEST waypoint

 

Federico Sucari

[fs1 295]

I found the problem.

 

The FMC doesn't compute the right Lat/Lon when inputed by the pilot.

 

What I did was I created a FPL with a user defined Waypoint. Then I saved it to a RTE file.

 

When I open the RTE file I find that the FMC rounds up the lat/lon to the minute (no seconds!!).

 

For example:

 

If you input the KFHR waypoint by hand through inputing its correct lat/lon, instead of N 48.5220 W 123.0244 (correct lat/lon for KFHR), you get N 48.5167 W 123.0167 (which is rounded to the minute!!).

 

Same when inputting KLAX, instead of right lat/lon the FMC throws N 33.9333 W 118.4000 (same, rounded to the minute)

 

I need PMDG help!

 

Thanks,

 

Federico Sucari

[fs1 295]

I am in contact with PMDG support team, as it seems to be a Bug in the FMC.

[ckyliu 1,749]

It has a few bugs tbh, certain things make it crash. I've learnt most of the bugbears but it took me 4 attempts to fly yesterday as everytime I looked at the VNAV page it crashed FSX, I think it was something to do with the SID because I looked at the Direct To page and the departure runway appeared twice, so I set it to a waypoint further in my flightplan and the issue stopped. Also it doesn't like having the Arrival page populated without the Approach page being done first, that makes it crash too.

[fs1 295]

Chris, I am working with the support Desk to fix this. They seem to be good, so may be it is a good idea for you to open a ticket as well?

 

I would like to see this fix.

[ckyliu 1,749]

I'll make a note of the details next time it happens and file a ticket, can't hurt I suppose. I think it was a SID out of Cardiff, the BCN1A (this post is basically a reminder to myself now lol)