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KenEfox
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Thanks for all the info on this subject, I now understand the issues much better. I'll investigate the voltage drop at PAW on cranking in my machine and take it from there. I can of course continue with manual recording using the hobbs. For those who may have a concern with respect to PAW dropping during navigation, I think you could just press "Go Flying" again and select the internal GPS and your back running.
Skydemon and PAW are both brilliant products for the leisure pilot, small hiccups like engine logging are insignificant compared to the benefits these products bring us!
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Tim Dawson
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It doesn't send collision avoidance data, it send traffic data, position data and sometimes weather data. SkyDemon does the collision avoidance calculations.
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Tony N
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I didn't know that PAW and SD worked like this. I thought PAW used the WIFI connection only to send collision avoidance data to SD. That does make the PAW installation a bit more critical than I had anticipated (I have limited power capabilities in my vintage aircraft). Tony
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nkt2000
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I was always taught to start the engine before switching on the avionics master switch in order to reduce the possibility of power spikes damaging the avionics. I appreciate that not all aircraft have an avionics master but, in that case (such as a PA 28 I have been flying recently) leave the individual avionics kit switched off until engine is running. I guess this is a similar issue that would be resolved by following this advice.
I don't have this problem as I power my PAW from a Anker power source.
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Tim Dawson
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The PilotAware is your position source as well as traffic source.
SkyDemon wasn't architected to "fall back" from one supply of position/traffic/weather data to another if the first one goes down. To rearchitect it to do so now would be non-trivial, probably create issues which would then need resolving, and it seems would only solve a problem caused by problems in one particular device anyway.
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T67M
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With a correctly installed power supply, PilotAware should not shut down during engine start - it certainly doesn't on my wired-in unit. Pilot Aware is very (perhaps overly) sensitive to its power supply voltage, so if it's resetting during engine-start, it may well be marginal at other times too, and this has been shown to cause other problems.
I do agree with Tim that if PilotAware shuts down when it is providing the data feed, there's very little that SkyDemon can do. That said, rather than dropping back to planning mode, maybe switching across to an in-built GPS (if there is one) might be a better option? Whether SkyDemon should automatically reconnect to the PilotAware if it returns is an interesting discussion.
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Unblonde
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When connecting to devices like PilotAware, SkyDemon is designed to detect a dropped connection and eventually switch you out of navigation mode.
Can I just confirm something? Is there a way to override this so that for an Ipad with built in GPS, dropping the Pilotaware wifi wouldn't stop nav?
I consider nav to be a primary value, with traffic a secondary, so am now worried that I've just bought something that could remove nav at an inopportune moment.
Thanks
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Tim Dawson
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Unfortunately the entire logging functionality is tied to your being in the navigation state, which is tied to having a connection to a source of navigation data.
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Skyboy999
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+xThis is a tricky one. When connecting to devices like PilotAware, SkyDemon is designed to detect a dropped connection and eventually switch you out of navigation mode. That system appears to work well; I'm not sure it would be helpful (overall) if we were to tolerate a complete connection loss for X amount of time. How long would we need to tolerate it for, in order to cope with the rebooting of your chosen device? Thanks Tim, Actually, I wasn't suggesting this, I was advocating the option to log 'engine start' be presented before 'go flying'. This would resolve the issue and preserve your dropped connection protocol.
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Tim Dawson
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This is a tricky one. When connecting to devices like PilotAware, SkyDemon is designed to detect a dropped connection and eventually switch you out of navigation mode. That system appears to work well; I'm not sure it would be helpful (overall) if we were to tolerate a complete connection loss for X amount of time. How long would we need to tolerate it for, in order to cope with the rebooting of your chosen device?
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