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#11
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When was the last time you used your ADF?
"Roy Smith" wrote in message
... I've been flying instruments for over 10 years. I've never flown a single NDB approach in anger (i.e. other than in training or to pass a checkride) in all that time. I once made an NDB approach in IMC to a field whose ILS approach was pointing downwind at the time. Usually, though, my use of the ADF is for an ILS's LOM. --Gary |
#12
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When was the last time you used your ADF?
"Gary Drescher" wrote in message ... I once made an NDB approach in IMC to a field whose ILS approach was pointing downwind at the time. Usually, though, my use of the ADF is for an ILS's LOM. What field? |
#13
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When was the last time you used your ADF?
"Steven P. McNicoll" wrote in message
link.net... "Gary Drescher" wrote in message ... I once made an NDB approach in IMC to a field whose ILS approach was pointing downwind at the time. Usually, though, my use of the ADF is for an ILS's LOM. What field? FRG (Farmingdale, NY). |
#14
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When was the last time you used your ADF?
Roy Smith wrote:
At this point, I can't imagine doing any serious IFR flying without a GPS, and once you've got a GPS, there's just absolutely no need for an ADF anymore (except for those very rare exceptions of fields which only have an NDB approach and no GPS overlay, and even then I'm not sure I'd be able to resist the urge to cheat). I suspect you would not be able to resist the urge to cheat. If you did, you would be the first one I know. I don't have IFR GPS, and because of this shoot a lot of NDB approaches. I've probably shot at least a dozen to within 200 ft of MDA, a few in conditions where the airport could not be spotted from more than 2 miles away in the fog and mist. They are legally NDB approaches in the sense that I have an ADF in the plane, and it works (and works well - on a quiet night I can tune in NDB's as much as 60 miles away). In reality, I have LORAN and VFR GPS, and either by itself is more accurate and more reliable than any ADF. So the reality of my operation is that I always tune in the ADF, verify reception, and proceed to shoot the approach using LORAN and GPS. I will crosscheck with the ADF to make sure it's pointed pretty much where it's supposed to be, but I don't try to make 1 degree corrections with it. It's simply not accurate enough for that, and when the filed is at mins and I have a real need to be there, I want to fly the best, most accurate approach I can so I know exactly where to look for the airport in the limited amount of time I will have to find it before going missed. Everyone I know who flies NDB approaches does something similar. Of course if an FAA inspector were to ask me, I would tell him I flew the NDB approach - and there would be no way for him to prove otherwise. I used to make ADF-only NDB approaches part of my recurrent training cycle, and I could consistently perform them to ATP standards after a little practice - but I've decided that it's just not worth the time anymore. GPS is just too accurate, too reliable, and too cheap to fly IFR without it. Even I have faced the reality that the only value in this day and age to being able to shoot an NDB approach without a VFR GPS is being able to brag about having done it. What bothers me is the loss of the ADF from the training environment. The ADF forced the student to understand the difference between heading, bearing, track, and course. That understanding, when internalized, has intrinsic value (in terms of situational awareness, over and above the strictly positional awareness that moving map GPS has also made obsolete) in flying IFR. With careful attention to detail on the part of both instructor and student this can be taught without the ADF, but based on how many people complain of the extra training time required to teach NDB approaches, I don't think it's happening - mainly because without the ADF, there's no easy way to test it on the checkride. Michael |
#15
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When was the last time you used your ADF?
Michael wrote:
snip What bothers me is the loss of the ADF from the training environment. The ADF forced the student to understand the difference between heading, bearing, track, and course. Is it not possible to teach these same concepts using the GPS? Those concepts are all relative to the GPS, too, no? -- Peter |
#16
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When was the last time you used your ADF?
Its recently been added as a resquirement for the ILS 02 for KSAC. For
decades we've been flying that approach w/o ADF, apparently the FAA has recently decided that ADFs are important. -Robert wrote: Hello all, I'm just curious as to when the last time was that you used your ADF for actual navigation? Are NDBs common in the US? It seems as though every little airport has an ILS! -dr |
#17
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When was the last time you used your ADF?
Padres against the Tigers, third game of the World Series about twenty years
ago while VFR going from San Diego to Sacramento. Jim |
#18
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When was the last time you used your ADF?
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#19
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When was the last time you used your ADF?
In article ,
"Peter R." wrote: Michael wrote: snip What bothers me is the loss of the ADF from the training environment. The ADF forced the student to understand the difference between heading, bearing, track, and course. Is it not possible to teach these same concepts using the GPS? Those concepts are all relative to the GPS, too, no? In theory, yes. In practice, "follow the purple line" works pretty well, even if you don't really understand what you're doing. |
#20
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When was the last time you used your ADF?
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