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Old March 3rd, 2006, 17:11   #1
CRJDriver
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Default Interesting Approach Charts

Does anyone know of any interesting/tricky approach charts to use for practice?
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Old March 3rd, 2006, 17:32   #2
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ASE 15 LOC/LDA App...ooo, then the circle to land
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Old March 3rd, 2006, 18:53   #3
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VOR/DME or TACAN Z RUNWAY 15 at Baltimore/Martin State.
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Old March 3rd, 2006, 19:06   #4
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Quote:
Originally Posted by mtsu_av8er
VOR/DME or TACAN Z RUNWAY 15 at Baltimore/Martin State.
My former home airport. It's a DME arc to final with a DME arc for the missed approach. And it is funky.
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Old March 3rd, 2006, 19:53   #5
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Yep, those two win all the marbles!
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Old March 3rd, 2006, 21:21   #6
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Quote:
Originally Posted by mtsu_av8er
VOR/DME or TACAN Z RUNWAY 15 at Baltimore/Martin State.

Nice one!
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Old March 4th, 2006, 00:56   #7
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I know a bunch of UND stage check pilots that are starting to get turned on and maybe drool a little after seeing that plate.
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Old March 4th, 2006, 03:03   #8
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Quote:
Originally Posted by taildragger173
I know a bunch of UND stage check pilots that are starting to get turned on and maybe drool a little after seeing that plate.
What do you think I use it for??
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Old March 4th, 2006, 03:10   #9
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Quote:
Originally Posted by taildragger173
I know a bunch of UND stage check pilots that are starting to get turned on and maybe drool a little after seeing that plate.

Not quite turned on, but this may enter my arsenal.
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Old March 4th, 2006, 03:52   #10
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LOC/DME BC-B at Yakima Air Terminal.

10 points goes to whoever can tell me why this is a circling-only approach (no straight in minimums published).
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Old March 4th, 2006, 04:21   #11
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No approach lighting system to Rwy 9?
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Old March 4th, 2006, 11:33   #12
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Quote:
Originally Posted by jrh
LOC/DME BC-B at Yakima Air Terminal.

10 points goes to whoever can tell me why this is a circling-only approach (no straight in minimums published).
There's a tower/obstruction at the end of the runway?????????? I really don't have any idea...
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Old March 4th, 2006, 11:56   #13
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This is the first Approach plate i have ever looked at and I have only 13.5 TT, but I will take a WAG at it.
I would say that the terrain to the west of the airport does not allow for an adequate glideslope and also acquisition of the signal to do a straight in approach to Runway 9. at YAK.

Hows that for a guess?
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Old March 4th, 2006, 12:03   #14
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I think I would just shoot the ILS for runway 27
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Old March 4th, 2006, 12:15   #15
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Quote:
Originally Posted by jrh
LOC/DME BC-B at Yakima Air Terminal.

10 points goes to whoever can tell me why this is a circling-only approach (no straight in minimums published).
You're at 605' AGL on a .3 mile final (IF you're going slow enough and descending fast enough to make it all the way down to 605').
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Old March 4th, 2006, 13:20   #16
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Actually, to be more techincally correct, I should say it dumps you out at 605' AGL, .3 nm from the Runway 9 threshold, not a .3 mile final for 9 since that really isn't possible (couldn't edit my post above).
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Old March 4th, 2006, 14:19   #17
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Quote:
Originally Posted by desertdog71
This is the first Approach plate i have ever looked at and I have only 13.5 TT, but I will take a WAG at it.
I would say that the terrain to the west of the airport does not allow for an adequate glideslope and also acquisition of the signal to do a straight in approach to Runway 9. at YAK.

Hows that for a guess?
Ha, I just learned WAG for the first time a couple weeks ago. Classic.
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Old March 4th, 2006, 18:37   #18
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Quote:
Originally Posted by EatSleepFly
Actually, to be more techincally correct, I should say it dumps you out at 605' AGL, .3 nm from the Runway 9 threshold, not a .3 mile final for 9 since that really isn't possible (couldn't edit my post above).
Bingo.

Well...umm...I'm not sure where you're getting the "0.3 mile from the threshold" info from (it's 0.6 miles from the MAP to the threshold), but you have the right idea. This approach is steep. I fly it with instrument students to show them that they can't always descend at 400-500 fpm on nice, long, gentle approaches.

At a groundspeed of 90 knots, you have to cross the YKM 7.5 DME fix right at 2700, then immediately begin a descent of about 700 fpm to make it down to the minimums of 1700 (605 AGL) before crossing the MAP. You'll probably reach the minimums and MAP simultaneously, but assuming you break out at minimums, you still need to descend 605 feet in 0.6 miles. At 90 knots, that equals about 1500 fpm.

I guess whoever wrote the TERPs decided it wasn't a good idea to be descending at 1500 fpm on short final in a 172 in low visibility, so straight in minimums aren't published. Obviously, it's still legal to make a straight in landing on Runway 9, but that's not really what the approach is intended for.

The first time I flew this, I reached minimums, looked up, and thought, "Oh, crap, I screwed up. I must be one stepdown fix too high!" But no, that's what it's supposed to look like.
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Old March 4th, 2006, 19:01   #19
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Quote:
Well...umm...I'm not sure where you're getting the "0.3 mile from the threshold" info from (it's 0.6 miles from the MAP to the threshold)
From the approach plate I use when I fly in there. MAP is 5.3 DME from YKM, which is .3nm from the threshold of runway 9. Ref. Jepp chart dated 29 Jul 05.

[Unless it changed in the latest revision, which I didn't get yet because I seem to have a real problem getting revisions from Jeppesen on time. ]

Edit: Wierd. I just looked at your link. Mine says .3 where the NOS says .6. Wonder which is wrong?
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Old March 4th, 2006, 19:38   #20
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There's this one approach at Roswell, NM that USAF student pilots have been calling "the Widowmaker" due to the number of failed sorties that it has generated. If you actually go to the FBO they apparently have T-shirts you can buy that say "I survived the widowmaker" and have a picture of the plate on them. Anyways, here's the link to the Hi-ILS RWY 21 at KROW: https://164.214.2.62/products/digita...ils_rwy_21.pdf
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Old March 4th, 2006, 20:26   #21
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Quote:
Originally Posted by EatSleepFly
when I fly in there.
Do you fly into Yakima often? You oughta check it out in person next time you're over there.

I haven't gone in there since last summer. I remember that approach being challenging, yet flyable. Upon reaching minimums it was a matter of chopping the power, extending full flaps, and we could make it down. That leads me to believe the 0.6 is more accurate. 0.3 miles seems physically impossible.

I don't have any Jepp plates at home with me. Now I'm curious to look it up and compare plates next time I go to the airport.
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Old March 4th, 2006, 20:29   #22
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Quote:
Originally Posted by jrh
Do you fly into Yakima often? You oughta check it out in person next time you're over there.
I have, but not lately. I just bid for a run that goes in there twice a day, so I might be going there a lot after next week if I get it.
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Old March 4th, 2006, 20:44   #23
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Old March 4th, 2006, 22:25   #24
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Quote:
Originally Posted by jrh
Bingo... This approach is steep...I guess whoever wrote the TERPs decided it wasn't a good idea to be descending ...
The same reason that Aspen's approaches have only circling minima. The ASE VOR/DME or GPS-C MAP gives you 1.4 miles to descend about 2400 feet.
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Old March 5th, 2006, 19:50   #25
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I think the TERPS say if something like this "any approach requiring a descent from the DH/MDA greater than 3.77 degrees, only circling approach minimums will be published."

It isn't exact, but I believe this is what the TERPS say.
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