Sign in to follow this  
ghutcheon

T/D flashing in two positions on the ND

Recommended Posts

On a flight today, after selecting the arrival procedure in the FMS, the T/D point along the flight path was flashing at high frequency between two points approx 5 nm apart. I also noticed the deceleration points further along the flight path were moving rapidly in unison. Seems the system was confused about two separate T/D points. I did have decent winds in the Forecast page as per PFPX. Running ASN weather.

 

I did change the arrival procedure in the FMS once, same runway, just removing the Transition. Maybe this initiated the problem? Something I have done wrong? Maybe a known issue with the sim?

 

On reaching the first of these duel flashing T/D points, aircraft began VNAV decent as normal and everything was fine.

 

I have flown this route before and did not have this behavior. Only other thing I did that I never usually do, I paused the sim for a couple minutes during cruise.

Share this post


Link to post
Share on other sites
Help AVSIM continue to serve you!
Please donate today!

 

 


Seems the system was confused about two separate T/D points
I have seen this before where one T/D is jumping back and forth but never two distinct T/D that were on the ND at the same time. If the distance between the two T/D is 5 nm I would not worry if the descent is on profile. I figured it was caused by the winds the A/C was passing thru at the time. I don't believe pause or removing the transition should cause it to occur. Or maybe it was mimicking me. Sometimes I can't decide either. Not a very satisfying answer but I don't believe there is one.

Share this post


Link to post
Share on other sites

Doesn't happen real world, at least not that I've seen. I think this has been brought up before and I *think* it's a known bug.

Share this post


Link to post
Share on other sites

I've seen it too, but I didn't make note of it and now I'd like to figure out a way to faithfully reproduce the dancing TOD so I can give it a try in beta testing the Queen... hopefully sooner than later.

Share this post


Link to post
Share on other sites

Oh Dan now, who is the "Queen"?

Alberto, the nickname for the 747 is Queen of the Skies, and she is called the Queen with affection and respect by most.

Share this post


Link to post
Share on other sites

Alberto, the nickname for the 747 is Queen of the Skies, and she is called the Queen with affection and respect by most.

Knew that, but are you referring to some new airplane coming out ? I am missing something.

Share this post


Link to post
Share on other sites

I've seen it too, but I didn't make note of it and now I'd like to figure out a way to faithfully reproduce the dancing TOD so I can give it a try in beta testing the Queen... hopefully sooner than later.

Dan, my guess is that this "dancing" T/D appeared in the ND after I made a change to either or both of my arrival runway / STAR / transition point. I made this change quite far out, was probably 60 -70 nm before T/D at the time. I had not selected an arrival into the FMS prior to departure but selected one, then shortly after, changed it as runway wind was reported as only 4 kts and crosswind. I also initially selected a transition and then removed just the transition. Maybe this helps. If I recreate this again, I will let you know. Flight was FAOR-FAGG FL370 using payware airports both ends. P3D v3.2.

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this