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 25 FMC (incl LNAV, VNAV) (Read 7101 times)
hobbseltoff
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Re: FMC (incl LNAV, VNAV)
Reply #75 - Aug 7th, 2018 at 2:30am
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hobbseltoff wrote on Jul 27th, 2018 at 3:27am:
When going direct to a fix, it will disappear from the top of the list on the legs page. 


I am still having this issue, even after upgrading 1.2.

Repro steps:

Route programmed in: KSEA 34R SUMMA1 BKE J54 BOI J15 JNC ALS PNH MDANO KDFW

1. Use the LSK to select a point on the legs page, I find it most consistently repros when you try to go to direct your next point.



2. Use LSK1 to paste the point back at the top of the legs page.



3. Execute. Notice how the fix now disappears from the top of the legs page.



After this, BOI became the active fix although BKE remained on the ND. LNAV gave up and did not attempt to navigate to BOI, it just slowly turned left for a bit as shown by the PFD.



AIIR#6

Edit: Added attachment. In the scenario, wait until the aircraft passes SUMMA and then while it is turning towards BKE, perform the above steps and go direct BKE.
  

CS757_Bug_Repro.zip ( 22 KB | 0 Downloads )
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alf46
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Re: FMC (incl LNAV, VNAV)
Reply #76 - Aug 8th, 2018 at 4:06am
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I installed the version 1.2 and i still do not have the option ""INTC CRS waypoint intercept course creation""??????? I tried everything like said in the manual part 2, page 426 but this is still only available in the option ""MODIFICATION OF THE ACTIVE WAYPOINT (MOD), and when i insert a course in the INTC CRS TO: in the (MOD) option, the plane do not intercept and follow the magenta line, only fly direct wherever the plane is to the waypoint or vor after press the LNAV button. Thanks.
  

-2018-aug-8-003.jpg ( 341 KB | 11 Downloads )
-2018-aug-8-003.jpg
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trevors
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Re: FMC (incl LNAV, VNAV)
Reply #77 - Aug 8th, 2018 at 3:42pm
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1.   VNAV climb and speed change over to mach:
      The FMC indicates a CLB speed of 306KIAS / M.786
      Above FL100, speed changes to 306 and the plane adjusts
      pitch to accelerate from 250 to 306. So far, so good.
      When reaching M.786 however, there is no immediate change
      in pitch to adjust for mach. Speed sometimes increases right
      up to M.80 before the plane "realizes" it must pitch up.
      The VS then goes beyond 3000'/minute to correct the mach
      down to M.786. Thereafter, its fine again.

2.    While flying at FL390, I see the little red blocks on the speed tape indicating overspeeds.
       However, there are no little yellow blocks on the speedtape to indicate the stall speeds.

AIIR#6

Trevor
  
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trevors
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Re: FMC (incl LNAV, VNAV)
Reply #78 - Aug 9th, 2018 at 5:08pm
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I have attached files - I hope they are the correct ones.
I am using FSX-SE and these are the only files I could find in the
documents folder.
If they are not correct, please explain how to produce these files.

Trevor

Thanks!
  

757_FSX.zip ( 324 KB | 1 Download )
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trevors
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Re: FMC (incl LNAV, VNAV)
Reply #79 - Aug 10th, 2018 at 9:21am
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Hi

Tried again using the PW2040 model.
No problem with the speed/mach change over.

However, still no yellow blocks on the speed tape to indicate
stall speeds. Slowed right down to M.7 at FL390 and saw no warnings indicated on the speed tape.

Trevor
  
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trevors
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Re: FMC (incl LNAV, VNAV)
Reply #80 - Aug 10th, 2018 at 3:48pm
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Hi

I re-installed the 757 and now the speed/mach changeover works correctly in the PW2037 model.

However, still no stall warning/indication on the speedtape. This needs your attention please.

Regards
Trevor
Smiley
  
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