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Speaking of Navigation....... (Read 278 times)
Apr 14th, 2003 at 2:41pm

fisharno   Offline
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I don't know how many of you read the real world Aviation news on the Simviation front page, but I thought this was good information for those of you who are learning or still struggling with navigation. It's worth the time to try the different navigational tecniques that are available to the modern pilot.....

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GPS 10 Years LaterBy Richard L. CollinsFebruary 2003Many of the predictions were wrong, but the system is working for most of us.It is a cliché, but time does fly when you are having fun. Interesting is fun, and almost nine really interesting years have passed since I got one of the first (if not the first other than a manufacturer) approvals for GPS approaches. The FAA approval is dated 7/25/94. That first unit, a Garmin GPS 155, offered some installation and operational challenges, but after I mastered them it became my primary bit of navigational gear, both for en route and for approaches. Since getting that unit approved I’ve changed, evaluated and upgraded units and now have a Garmin GNS 530 and a Bendix/King KLN 94. Several other navigators have been in the panel along the way, but there has always been an approach-approved GPS in my airplane.The pervasiveness of GPS is evident in the number of approaches that I have flown using various navaids. Since getting that first approval, I have flown, in actual conditions, 65 GPS approaches, 46 ILS approaches, five localizer approaches, one back course localizer approach and one VOR/DME approach. There is still an ADF in my airplane, but I haven’t flown an NDB approach since starting with GPS.A lot of those GPS approaches were overlays of existing non-precision approaches, and I still monitor the raw data from the VOR and DME when flying an overlay of one of those approaches. That reflects no lack of confidence in GPS; it’s just that if I happen to have a belt and suspenders, I’ll wear them both.En route, GPS has been the primary navigational aid, though I do still run my trusty King KLN 88 loran. Occasionally I’ll monitor some en route navigation with a raw VOR signal, and I am always reminded of how the VOR signal wanders around, where the GPS is completely stable.A great feature of GPS units is the flight plan function. I know what routes are likely to be approved in the area that I fly the most, and I always use the flight plan function of the GPS and input the plan before takeoff. If cleared as filed, that means that all the en route navigational chores were done in advance. All the autopilot has to do is keep the needle in the middle, and all I have to do is sit and watch as the airplane automatically follows the flight plan. That leaves plenty of time to monitor everything else.
 
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Reply #1 - Apr 14th, 2003 at 3:15pm

Brett_Henderson   Ex Member
EVERY OUTER MARKER SHOULD
BE AN NDB

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I couldn't imagine climbing into a plane, planning to fly any distance at all without a GPS. It's just plain fool-hardy (unless it's perfect weather and you know EXACTLY where you're going).

But here in the FS world, I refuse to use a GPS. It takes all the fun out of it. As for the belt-suspenders analogy, I'd prefer a GPS backup to the GPS  Wink  (throw in a hand-held for each pilot too). Old  VOR/ILS gear just takes up panel space anymore <alas>.

Knowing that a GPS tracks you in 3 dimensions, it's only a matter of time before it's approved for ANY approach ANYWHERE.  Just make one of your waypoints the threshhold of the runway and another 10 miles out at 3000 agl,   and you've got  "instant ILS"  for even the smallest dirt strips.

In the mean time,, radio navigation is 1/2,, no make that 3/4 of the fun in FS2002.



 
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Reply #2 - Apr 15th, 2003 at 4:41am

packercolinl   Offline
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Actually my first 6mths flying sim was spent manually navigating in the default Baron. Now that IS interesting. Alas I've fallen into the clutches of radio Nav and GPS Grin
 

White on White fly all night.&&&&Red on White you're alright.&&&&Red on Red you'll soon be dead.
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Reply #3 - Apr 15th, 2003 at 7:07am

siemerh   Offline
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Grin Did some ultralight flying years ago.  Only instruments were tach. and temp. guages.  Carried a hand held GPS hung around my neck.
 

Where is it written?
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Reply #4 - Apr 15th, 2003 at 9:09am

fisharno   Offline
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Very special breed, you "Kite Pilots".

Hat's off, to ya!  Wink
 
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