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 25 AUTOPILOT (MCP part only) (Read 2429 times)
Shom
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Re: AUTOPILOT (MCP part only)
Reply #30 - Jun 12th, 2018 at 8:33pm
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I've found another bug related to FLCH/SPD transition
When climbing in FLCH mode to 5000 ft with speed set to 230 kts there is a sudden fallback to SPD mode to a random setting of 243 knots even before reaching the target altitude
See here - https://youtu.be/FP2tcCMCEtw

AIIR#4

It may be related to the scenario I've mentioned here - https://www.captainsim.org/forum/csf.pl?num=1528307874
  
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Markoz
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Re: AUTOPILOT (MCP part only)
Reply #31 - Jun 13th, 2018 at 1:28pm
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It looks like FLCH may have switched from SPD mode to EPR mode, and although you can't see any speed showing in the IAS indicator, looking at the video, the EPR starts increasing as soon as you pressed the FLCH button, and the speed also increases with it. I must admit, I don't think that is how FLCH worked, at least from what I have read about what it's supposed to do. Undecided
  

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Shom
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Re: AUTOPILOT (MCP part only)
Reply #32 - Jun 14th, 2018 at 7:58am
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AIIR#4

I went over the manual and the description of the FLCH is summarized by a few points, not indicating that this is an expected behavior, it doesn't make sense (as seen in the video) that FLCH falls back to SPD before even reaching the target ALT (without anything being done by the pilot)

It's not a bug if it's not in the Manual.
  
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Shom
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Re: AUTOPILOT (MCP part only)
Reply #33 - Jun 16th, 2018 at 6:40pm
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Thantheleon, sorry I don't understand is this expected behavior? The manual does not describe this scenario and notice in the clip I've made it is random.

Well, it's pilot's job is to create and follow/control the scenarios described in the Manual.
We can not support/explain an infinite number of random combinations of  thousands of the plane parameters and flight conditions.

  
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