Fplazola 0 Posted July 15, 2020 Share Posted July 15, 2020 Dear All, I was descending via the QUBEN 1 RNAV STAR into KTPA and the ALT would capture on every waypoint with a double altitude restriction (i.e QUBEN 250/12000B9000A) even with the altitude selector set at a much lower altitude than the waypoint restriction, the autopilot captures altitude at 12000' and stays engaged, does not allow selection of another vertical mode, V/S or SPD. I don't think this is normal autopilot behavior. Thank you and kind regards, Fernando Plazola Link to comment Share on other sites More sharing options...
A_Pilot 70 Posted July 15, 2020 Share Posted July 15, 2020 For our reference, are you flying with the VNAV mode engaged? Link to comment Share on other sites More sharing options...
Fplazola 0 Posted July 17, 2020 Author Share Posted July 17, 2020 VNAV not engaged. Descending using SPEED reference mode. Link to comment Share on other sites More sharing options...
Developer Hans Hartmann 3695 Posted July 17, 2020 Developer Share Posted July 17, 2020 Without VNAV, the vertical modes only capture on the selected altitude. The pilot need to set it manually to meet the next constraint. Link to comment Share on other sites More sharing options...
A_Pilot 70 Posted July 17, 2020 Share Posted July 17, 2020 It seems strange.... What was annunciators in the too of the FMA on the PFD? Did it do an ALTS CAP? Link to comment Share on other sites More sharing options...
Fplazola 0 Posted July 18, 2020 Author Share Posted July 18, 2020 Dear All, The behavior has not repeated since I updated to 2.2.0.1. It has not happened again in other STARs with same way-point restriction logic. (Between two altitudes) Consider this item closed. Thank you all for the help. Kind regards, Fernando Plazola Link to comment Share on other sites More sharing options...
Developer Hans Hartmann 3695 Posted July 18, 2020 Developer Share Posted July 18, 2020 Because we believe this topic has been answered we have closed it. If you have any more questions feel free to open a new topic. Link to comment Share on other sites More sharing options...
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