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FLTA disable |
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frankbell 
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Joined: 16 Jan 2015 Location: NC Status: Offline Points: 96 |
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 Topic: FLTA disablePosted: 27 Mar 2015 at 2:23pm |
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Can FLTA be disabled by default? I fly an amphib, in and out of lakes, usually in hills or mountains, and have to remember to turn it off just about every flight or it drives me nuts.
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MysticCobra
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Joined: 29 Jan 2013 Status: Offline Points: 648 |
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Posted: 27 Mar 2015 at 2:31pm |
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Sure. It's in the user settings pages.
EDIT: Ah, maybe you're saying that setting doesn't persist across power cycles. I'm not close to my IFD so can't test it. It doesn't persist across simulator sessions, so I'm guessing that's your complaint--it returns to ON every time the box powers up?
Edited by MysticCobra - 27 Mar 2015 at 8:12pm |
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AviJake
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Joined: 26 Mar 2009 Location: Lincoln MA Status: Offline Points: 2815 |
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Posted: 28 Mar 2015 at 8:28am |
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We chose not to persist the "OFF" setting across power cycles for FLTA. At the time of design, we convinced ourselves that it was such a useful safety feature, that if one wanted it off for a flight, one would have to make that manual choice at each power up.
We went back/forth for a while on that and if I recall correctly, the thing that threw us into the current design camp was the flight school/partners scenario. Previous pilot wanted it off but next pilot may not want that or be aware of that. Is the lack of persist of the OFF setting becoming an operational issue for many folks??? Please let us know if that is the case.
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Steve Jacobson
sjacobson@avidyne.com |
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oskrypuch
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Posted: 28 Mar 2015 at 9:25am |
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I would agree with the camp that feels FLTA is vitally important.
But if you have the need to have it persist OFF, when turned OFF, you could potentially add a third setting... ON OFF this session OFF or something like that. * Orest Edited by oskrypuch - 29 Mar 2015 at 9:08am |
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brou0040
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Posted: 28 Mar 2015 at 12:01pm |
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To me it's vital until it's annoying, and it's going to be difficult to predict when it becomes annoying universally across your entire customer base. I'd suggest having it part of the user profiles. When they select their profile, they get their setting.
For me, I put it on an switched line so I can turn it off when I need to. I still haven't had a chance flying it through the mountains here yet (the unit is still in FL), but I can't imagine it not going crazy such as a flight to L05 where you fly up the canyon and do a tight turn to land towards the lake.
Edited by brou0040 - 28 Mar 2015 at 12:01pm |
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oskrypuch
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Posted: 28 Mar 2015 at 5:30pm |
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How about having a soft button available to temporarily suppress FLTA alerts, say for ten minutes or so.
When FLTA is suppressed, there needs to be an obvious visual warning. When FLTA is suppressed, ideally, there would also be a soft button to immediately reenable it. (terminate the suppression) These soft buttons can't be buried in the config menus, they need to be front and center when the warning comes up. Perhaps part of the CAS alert box itself can serve as a soft button to that end, or maybe a leftward extension of the CAS alert box could be created, to serve as that soft button. * Orest Edited by oskrypuch - 28 Mar 2015 at 5:32pm |
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frankbell
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Joined: 16 Jan 2015 Location: NC Status: Offline Points: 96 |
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Posted: 28 Mar 2015 at 6:17pm |
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I'm the original "plaintiff" here, and I'm DEFINITELY in the camp that we need an option to turn it off until it's turned back on again. I'm in the NC mountains, but even in wide open valleys it cries "wolf" way too often, to the extent that it's worse than useless. I'm going to have to add to my takeoff checklist, "FLTA OFF", but I wish I didn't have to do that.
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brou0040
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Posted: 28 Mar 2015 at 10:58pm |
I think the real answer here is to allow the setting to persist across power cycles and be part of the user profile, but I've also thought about having the option of quickly changing settings similar to what you mentioned. The idea I had is to be able to create a custom datablock that is assigned to any setting or function in the system (think of a shortcut or hyperlink). That way anybody can unbury any of the settings that are unique to their situation that they'd like easier access to. As your scrolling through your datablocks, you can insert custom datablocks that call different checklists. Your first datablock could be to toggle FLTA. I'm not sure I expect this feature to get serious consideration because it may be messy to implement or confusing to use, but it seems like it could really bring a lot of the individual features forward and be a universal solution to something that different people have asked about. Toggling FLTA mid-flight is a good example of a setting that bringing forward would be a great benefit for some individuals.
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AviJake
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Posted: 29 Mar 2015 at 7:47am |
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I'm not sure I'm a fan of FLTA setting to be *just* part of user profile. I think perhaps a combo of tri-state and user profile is the best idea I've heard/thought of so far. That's the leading contender to "solve" the problem right now.
As for Brou0040's idea about shortcuts to on/off controls, we do have that in the future feature database and the cursory thinking we've done on it so far, did result in a lot of initial cringing and unease when it came to implementing and using the concept. We're obviously almost exclusively focused on getting Release 10.1.0.0 done and out the door right now so we'll think more rigorously about that and other future contenders later.
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Steve Jacobson
sjacobson@avidyne.com |
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frankbell
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Posted: 29 Mar 2015 at 8:04am |
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brou0040 wrote: "For me, I put it on an switched line so I can turn it off when I need to."
What did you mean by that? What's a "switched line"? Sounds like maybe a partial solution... |
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brou0040
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Posted: 29 Mar 2015 at 11:14am |
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Frankbell,
I added the audio warnings to a switched line on my audio panel instead of an unswitched line. That way I can simply hit the button and turn the audio warnings off. That won't stop any alerts on the unit, but when I'm flying through a pass or turning base in a canyon, the last thing I'm looking at is the GPS - but I don't want it yelling at me. Yes, I consider this to be just a partial solution, I'll be interested in whatever permanent solution is developed.
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frankbell
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Posted: 29 Mar 2015 at 11:19am |
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Brou0040 -
That sounds like an excellent idea... but how did you do that? Did it require rewiring something to the audio panel? If you can tell me how to do it, I'll get it done. |
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brou0040
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Posted: 29 Mar 2015 at 12:12pm |
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During the install, the wire was connected to an switched port on the audio panel rather than an unswitched port. If yours is connected to an unswitched port, then you'd have to have the shop change the wiring. I have my cheat sheet in the airplane, but I have the 540 audio alerts, 540 standby monitor, and axp340 alerts as my telephone, ADF, and DME switched inputs. I leave them all turned on all the time, but I can turn any of them off quickly and easily by hitting the audio button to turn it off. This is on a KMA24.
Edited by brou0040 - 29 Mar 2015 at 12:12pm |
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frankbell
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Posted: 29 Mar 2015 at 12:16pm |
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Thanks... I have a date in the radio shop this week anyway, and also have the KMA24.
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oskrypuch
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Posted: 29 Mar 2015 at 5:22pm |
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It is pretty straightforward to do. But remember that that would stop all 540 audio alerts off, including for example the TOD gong, traffic alerts if you have them, etc., besides the FLTA warnings.
* Orest Edited by oskrypuch - 29 Mar 2015 at 5:23pm |
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chflyer
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Posted: 18 May 2015 at 5:13am |
From my point of view Steve, yes it is. And it will be worse once the 440 is installed and I need to turn it off on both 540 and 440 to silence it. I live on the edge of the Swiss Alps and this is driving me crazy. An option to retain the setting across power cycle yes/no should satisfy both camps. |
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Vince
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AviJake
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Posted: 18 May 2015 at 8:05am |
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Good enough reason for me. We'll create a setting in a future release to allow for retention
of the setting. We'll put this in the next non-bug fix release.
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Steve Jacobson
sjacobson@avidyne.com |
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brou0040
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Posted: 18 May 2015 at 10:18am |
Thanks, If I didn't have this on a switched audio port, it would be annoying, I live at the eastern edge of the Sierra's and flying through the local pass here sets it off every time.
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tony
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Posted: 18 May 2015 at 2:07pm |
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from the TSO (MOPS appendix):
The TAWS system must have a capability (e.g., a control switch to the flight crew) to manually inhibit the TAWS (FLTA/PDA) aural alerts, visual alerts, and the terrain display. The switch must not inhibit any of the GPWS alerts defined in section 1.3.e. If the TAWS system incorporates an automatic inhibit function that automatically inhibits TAWS (FLTA/PDA) aural alerts, visual alerts, and terrain display when a position source is faulted or unavailable, then the manual inhibit may be designed to only inhibit aural and visual alerts. This alternate manual inhibit functionality will allow pilots to disable the TAWS (FLTA/PDA) alerting without removing the terrain display when landing at a site not included in the database or landing at a site that generates known nuisance alerts. Inhibit status must be annunciated to the flight crew. Edited by tony - 18 May 2015 at 8:30pm |
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oskrypuch wrote: