Sources of VOR error that are eliminated by GPS Nav on a VOR approach: Just be able to still revert to ground based nav in the rare case of an GPS outage or more likely a personal GPS equipment failure. But real world there is never a reason not to use GPS until you lose GPS especially for VOR approaches since its far more accurate. IMO, its best not to be displaying a magenta line at all on a moving map on your checkride - expect that it will get covered up real fast. Instead they want you set it up using OBS on the GPS and some even want you to do the hold using ground based nav with VORs or VOR/DME - typically if they haven't yet demonstrated you can navigate without the GPS, the hold is one way you can. where you set up the GPS to give you guidance for holding at any fix). For example, I don't think there are any DPE's out there that would allow you to demonstrate a hold using a GTN or Avidyne programmed hold, (i.e. The DPE wants to make sure you have a solid foundation in all forms of navigation, not just GPS. I suspect, just as hinting at, the DPE was merely ensuring you know can navigate without the GPS.įolks, don't confuse what a DPE wants to see on a IR checkride as having anything to do with how you want to fly instruments real world! They are two entirely different things. Admittedly I like to make sure my IR candidates can master their GPS by the time they take their checkride, but you still need to be able to perform basic ground based navigation if you lose your GPS. For example, virtually all want you to show you can still do ground based navigation even though you have a fancy GPS. Did the DPE make it clear that he was telling you what he thought the rules required, or did he just want to make sure you could do it without the GPS?Īs a CFI, I am well aware that not all DPE's embrace technology and all have things in mind that they want you to show you know how to do on an IFR checkride.
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