I've found the Aviation SE to be a really interesting read so far, I'm excited to be here! I'm fairly new, but I'm also old!

What are the inputs for TASAR to crunch flight path optimization? Is it taking a look at the aircraft performance model, wind and weather, and ADS-B IN? Maybe TCAS-II traffic info? Would the weather data come from the onboard WXRadar or ground data?

I've read a few data-points that the long range weather info pilots tend to use is from received data (maybe ground radar or sat based weather data? both?), but the data is delayed to the point of being less useful, would the weather data need to take inputs from both Weather RADAR and NEXRAD type inputs?

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    $\begingroup$ Welcome to aviation.stackexchange! $\endgroup$
    – DeltaLima
    Commented Jun 28, 2019 at 11:55

1 Answer 1


The answer is "All of the above." The left hand side of this slide from a NASA Powerpoint deck pretty much covers your question.

TASAR system generalized block diagram

The full slide deck from the presentation can be seen here.

  • $\begingroup$ Thanks Juan! Slide deck is a term i usually hear from Consultants. You're not a consultant are you, Analyst Kyle? $\endgroup$
    – Jeremy
    Commented Jun 28, 2019 at 18:51
  • $\begingroup$ Yes, I an a long time consultant and freelancer, and I use my real name here. I don't know who is Analyst Kyle. $\endgroup$ Commented Jun 28, 2019 at 23:07
  • $\begingroup$ Sorry, google it, it's a silly joke among MBA consultants $\endgroup$
    – Jeremy
    Commented Jul 3, 2019 at 14:22
  • $\begingroup$ @Jeremy I did. Still no clue. No worries. :) $\endgroup$ Commented Jul 3, 2019 at 18:12

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