Cirrus sr22 gt interior
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And one will have more eggs in one basket. Narco, and some other stuff that is simply a crap design, like a certain autopilot I know about ). So I don't think that long term reliability (10 years plus) will be any better than old style avionics (ignoring old style avionics that were truly crap anyway, e.g. The first one was wasted by having ventilation slots in the main box (because they didn't design the thing for low enough power another story) and the other was wasted by generally commercial construction. Glass cockpits were a huge opportunity to solve the main reliability killers in avionics - moisture and vibration - but neither have been addressed. Stuff like that will contribute to depreciation once the word gets around. The are ample stories of the whole glass system crashing and resetting, and one of them (Avidyne I think) was at one stage not resettable during flight. Obviously, a failure in the OAT sensor or its interface will still affect just that one feature - same as with conventional avionics. In fact I don't recall ever seeing any other kind of LCD failure. Most laptop or flat panel display failures I have seen were in the LCD backlight or the driver, and the loss of use was total. If it should all die on you for certification anything with glass will have a compass, an electrical or vac gyro, and a ASI enough to get you down perhaps with a hand held GPS in your flight bag.Īn LCD has a huge single point of failure - the LCD driver, and (if applicable) the backlight and its inverter. Things have moved on and Garmin and Avidyne in their latest offerings emplys dual gyros, interchangeable screens and other technology to improve redundancy. Similarly both initially used a single solid state gyro - if it fails you are without the AI, but then again how many light aircraft have dual AIs. Avidyne did not employ this approach (at least until their latest upgrade) so if the PDF fails there is no mechanism to paint that information on the MDF. Garmin overcame thise by enabling the pilot to transfer the PDF to the MDF so you should only be without the key instruments if both displays fail. The whole system is driven by a central processor and I guess in theory this could fail including all its back up modes. It no different really to when that component fails in your six pack. For example I have had the DI fail on a G1000, box 1 fail etc. Each uses essentially modular systems so more often than not it is one module than fails. Well Garmin and Avidyne (the two main players in the certified market) take different views - excuse the pun. However while you are ahead stay there - your last post was just silly. I appreciate you are also having some fun so I suspect some of your comments are tongue in cheek.