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#1
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GPS vs. map
Do you people with GPS units (either panel mounted or portable) use only
them when you fly, or do you plan the same route on a map as well and plot your position in flight, for backup in case the unit looses pickup? I've recently seen the SR-22 panel and some Lancair models and it got me wondering whether aside from all these hi-tech gadgets people still use the good old roadmap. Triple Delta |
#2
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On Sun, 27 Jul 2003 19:29:52 +0200, "DeltaDeltaDelta"
wrote: When I fly, I only use the charts (Airchart book) as a lap board to hold my sticky notes. The only reason I even bother is incase ATC changes my clearance. I get obstacle data from my MFD, my backup Airmap, and it will soon be available in my GNS430. |
#3
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I keep a section, Wac, or IFR enroute chart on my lap as I fly along. I
also tune VOR's and estimate time and distance between cities to ensure I am staying awake and aware. jerry |
#4
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"DeltaDeltaDelta" wrote in message ... Do you people with GPS units (either panel mounted or portable) use only them when you fly, or do you plan the same route on a map as well and plot your position in flight, for backup in case the unit looses pickup? I've recently seen the SR-22 panel and some Lancair models and it got me wondering whether aside from all these hi-tech gadgets people still use the good old roadmap. Triple Delta I always use charts. I usually fly IFR and use low alt enroute charts. A trip usually takes 1 to 3 charts that I prefold into 11x11 squares with my route showing, and clip them together in order of use in a neat package that lays on my lap. The portable GPS sits on top of them, serving also as a paperweight. I usually also have sectionals in the flight bag. Tom Pappano, PP-ASEL-IA |
#5
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I plan my flight on my handheld GPS, then lay it out on a sectional, while
flying, I track myself on the map and make sure I am whereI think I am. The map has more detail then the handheld gps I use (garmin 295), so if I have a problem I know where I am and whats under me. I do this when flying over clouds and cant see the ground, I look at the map to see whats under the layer. DeltaDeltaDelta wrote: Do you people with GPS units (either panel mounted or portable) use only them when you fly, or do you plan the same route on a map as well and plot your position in flight, for backup in case the unit looses pickup? I've recently seen the SR-22 panel and some Lancair models and it got me wondering whether aside from all these hi-tech gadgets people still use the good old roadmap. Triple Delta |
#6
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I also tune VOR's and compare them to my GPS, but I think thats just to keep me busy, I
let the auto pilot fly the plane most of the time so I have to have other things to do to keep my mind occupied JerryK wrote: I keep a section, Wac, or IFR enroute chart on my lap as I fly along. I also tune VOR's and estimate time and distance between cities to ensure I am staying awake and aware. jerry |
#7
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I plan on charts, and use them in the plane. I also hand fly. GPS is nice,
but I like having the paper charts. Jose (for Email, make the obvious changes in my address) |
#8
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Do you people with GPS units (either panel mounted or portable) use only them when you fly, or do you plan the same route on a map as well and plot your position in flight, for backup in case the unit looses pickup? I've I draw the route on the chart. Given the endurance of the Cub (12 gallons, 4.2 GPH) I'm simply not traveling far enough to use checkpoints. I always know where I am on the chart, and I have a decision point of one hour, with due allowance for the wind. The plane has no Hobbs meter, and rather than using the tach as most people do, I write the engine-on time on the back of an obsolete business card, stuck up under the top clip of the kneeboard. That's the only paperwork I do. all the best -- Dan Ford email: www.danford.net/letters.htm#9 see the Warbird's Forum at http://www.danford.net/index.htm Vietnam | Flying Tigers | Pacific War | Brewster Buffalo | Piper Cub |
#9
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A GPS can fail---been there done that---. I have a map open to my route and
cross check often enough that I know where to look on the map if my GPS goes T.U. Cheers: Paul NC2273H " |
#10
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Paul ) wrote:
A GPS can fail---been there done that---. I have a map open to my route and cross check often enough that I know where to look on the map if my GPS goes T.U. How GPS's fail may be a logical question by those who read your comments. Several weeks ago my panel mounted, IFR-certified GPS temporarily failed due to my own bone-headed mistake. At 9,500ft I opened a very soft plastic bottle of water without allowing it to slowly equalize first. The damn thing sprayed water all over my avionics console, temporarily shorting out the MSG button on the GPS. Every time I attempted to place the unit in the Flight Plan chapter, it went right back to the message display. Fortunately we had been following our flight's progress on our IFR low- altitude charts that were opened in our laps so switching to VOR navigation was seamless. -- Peter |
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