Idlewildspotter
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Any Airports with 3+ degrees approach

Thu Jul 20, 2017 1:51 am

With the vast majority of approaches being the standard 3 degrees, other than LCY, are there any 3.5, 4, 4.5, or 5 degree approaches out there?


Thanks/
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portcolumbus
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Re: Any Airports with 3+ degrees approach

Thu Jul 20, 2017 1:58 am

ILS 1L at LAS is 3.4
ILS 12L at North Las Vegas is 3.2
 
kliff0rd
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Re: Any Airports with 3+ degrees approach

Thu Jul 20, 2017 2:27 am

KSAN RNAV 27 is 3.5 degrees and ILS 09 is 3.1 degrees.
 
Redbellyguppy
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Re: Any Airports with 3+ degrees approach

Thu Jul 20, 2017 2:37 am

San Diego
 
Wayfarer515
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Re: Any Airports with 3+ degrees approach

Thu Jul 20, 2017 2:40 am

MHTG/TNT of course. 3.5 deg in both approaches.
 
GalaxyFlyer
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Re: Any Airports with 3+ degrees approach

Thu Jul 20, 2017 3:18 am

KVNY Van Nuys, plus loads of GA airports. In Europe, look at Sion and Lugano, CHE, Chambery, FR

GF
 
skyhawkmatthew
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Re: Any Airports with 3+ degrees approach

Thu Jul 20, 2017 4:48 am

The ILS Y approaches to 07L/25R at FRA are 3.2°.

The LOC 25L at HKG is a very sporty (for a heavy) 3.8°.
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vhqpa
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Re: Any Airports with 3+ degrees approach

Thu Jul 20, 2017 5:47 am

Several airports in Norway have greater than 3° approaches especially in the north. From the top of my head Tromsø has 4° on both RNAV and ILS approaches to each runway end.
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TripleDelta
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Re: Any Airports with 3+ degrees approach

Thu Jul 20, 2017 4:03 pm

There are several in mainland Europe as well (though not that far above 3):

  • Rome Fiumicino (FCO): ILS 34L is 3.5°
  • Zurich (ZRH): ILS 28 and 34 are 3.3°
  • Pula, Croatia (PUY): ILS 27 is 3.2°
  • Sarajevo, Bosnia (SJJ): ILS 12 is 3.2°
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greg85
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Re: Any Airports with 3+ degrees approach

Thu Jul 20, 2017 5:36 pm

Heraklion, Napoli, Marseille, Bodrum, actually there are lots of them all over Europe. Can't remember them all. The strange thing I find is that there are a good number of places that have a 3 degree ILS, but you then find they'll also have a VOR approach with a steeper approach.
 
Woodreau
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Re: Any Airports with 3+ degrees approach

Fri Jul 21, 2017 2:17 am

Aspen LOC-DME 15 is 4.55 degrees.
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kitplane01
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Re: Any Airports with 3+ degrees approach

Fri Jul 21, 2017 6:48 am

Is it not the case that steeper approaches reduce landing noise? That seems like a good thing!
 
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TOGA10
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Re: Any Airports with 3+ degrees approach

Fri Jul 21, 2017 9:06 am

kitplane01 wrote:
Is it not the case that steeper approaches reduce landing noise? That seems like a good thing!

Depends. Like MRS, with its 4degree ILS/RNAV approach onto 31R, most A/C will have to be completely configured to start descending on the G/S. Thus, gear down and landing flaps out quite early on in the approach, which causes a lot of drag. Ideal once in the glide, not much thrust needed to keep your speed but before you intercept you will need a lot of thrust just to keep flying level. Ideally you do a continuous descent, which reduces flying level a lot but this is not always doable, with sometimes ATC interfering, other traffic affecting or winds are just not playing along. So, yes, once on the glide nice and quiet, before that, not so much.
The natural function of the wing is to soar upwards and carry that which is heavy up to the place where dwells the race of gods. More than any other thing that pertains to the body it partakes of the nature of the divine. - Plato
 
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kitplane01
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Re: Any Airports with 3+ degrees approach

Sat Jul 22, 2017 2:05 am

TOGA10 wrote:
kitplane01 wrote:
Is it not the case that steeper approaches reduce landing noise? That seems like a good thing!

Depends. Like MRS, with its 4degree ILS/RNAV approach onto 31R, most A/C will have to be completely configured to start descending on the G/S. Thus, gear down and landing flaps out quite early on in the approach, which causes a lot of drag. Ideal once in the glide, not much thrust needed to keep your speed but before you intercept you will need a lot of thrust just to keep flying level. Ideally you do a continuous descent, which reduces flying level a lot but this is not always doable, with sometimes ATC interfering, other traffic affecting or winds are just not playing along. So, yes, once on the glide nice and quiet, before that, not so much.


I would think (I'm a pilot, but not an airline pilot) that most approaches are quite high before established on the glideslope, and that noise at these altitudes is unimportant. Isn't the outer market like 4-7 miles out??? And airlines established before that???
 
FlyHossD
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Re: Any Airports with 3+ degrees approach

Sat Jul 22, 2017 2:23 am

Though no longer flown, Rocky Mountain's (DEN-Stapleton) had 6 degree glideslopes into ASE and SBS and 8 degrees into VON (Avon, Colorado - at the foot of what is now the Beaver Creek Resort).
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TOGA10
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Re: Any Airports with 3+ degrees approach

Sat Jul 22, 2017 8:06 am

kitplane01 wrote:
TOGA10 wrote:
kitplane01 wrote:
Is it not the case that steeper approaches reduce landing noise? That seems like a good thing!

Depends. Like MRS, with its 4degree ILS/RNAV approach onto 31R, most A/C will have to be completely configured to start descending on the G/S. Thus, gear down and landing flaps out quite early on in the approach, which causes a lot of drag. Ideal once in the glide, not much thrust needed to keep your speed but before you intercept you will need a lot of thrust just to keep flying level. Ideally you do a continuous descent, which reduces flying level a lot but this is not always doable, with sometimes ATC interfering, other traffic affecting or winds are just not playing along. So, yes, once on the glide nice and quiet, before that, not so much.


I would think (I'm a pilot, but not an airline pilot) that most approaches are quite high before established on the glideslope, and that noise at these altitudes is unimportant. Isn't the outer market like 4-7 miles out??? And airlines established before that???

An overflying 747/330 makes quite some noise, even if it's flying at 3000'! Bit quieter if you live very close to the airport, not so much if you're slightly further away from the airport.
The natural function of the wing is to soar upwards and carry that which is heavy up to the place where dwells the race of gods. More than any other thing that pertains to the body it partakes of the nature of the divine. - Plato
 
B777LRF
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Re: Any Airports with 3+ degrees approach

Sat Jul 22, 2017 8:21 am

Last time I went into Baghdad, it was a visual 10 degree descent from 10.000ft onto the runway. Didn't quite fit any criteria for 'stable approach', but was great fun to fly. The go-around, however, was the best bit of flying a commercial jet I've ever experienced; hauling around a 100ton jet in a tight, tight circuit (inside the airport perimeter) was about as good as it gets.
From receips and radials over straight pipes to big fans - been there, done that, got the hearing defects to prove
 
packcheer
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Re: Any Airports with 3+ degrees approach

Sat Jul 22, 2017 12:55 pm

B777LRF wrote:
Last time I went into Baghdad, it was a visual 10 degree descent from 10.000ft onto the runway. Didn't quite fit any criteria for 'stable approach', but was great fun to fly. The go-around, however, was the best bit of flying a commercial jet I've ever experienced; hauling around a 100ton jet in a tight, tight circuit (inside the airport perimeter) was about as good as it gets.


Flying commercially, this sounds like an exciting roller coaster of a ride that few pilots get to experience (intentionally).
Things that fly, Girls and Planes...
 
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Classa64
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Re: Any Airports with 3+ degrees approach

Sat Jul 22, 2017 1:20 pm

Why or who decided 3 degrees was going to be the standard or what seems to be the most common?
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waly777
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Re: Any Airports with 3+ degrees approach

Thu Jul 27, 2017 9:03 pm

Toronto city airport ILS 26 is 4.8 degrees and 08 is 3.5 if I remember correctly.
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Idlewildspotter
Topic Author
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Re: Any Airports with 3+ degrees approach

Mon Jul 31, 2017 6:31 pm

B777LRF wrote:
Last time I went into Baghdad, it was a visual 10 degree descent from 10.000ft onto the runway. Didn't quite fit any criteria for 'stable approach', but was great fun to fly. The go-around, however, was the best bit of flying a commercial jet I've ever experienced; hauling around a 100ton jet in a tight, tight circuit (inside the airport perimeter) was about as good as it gets.



really? which aircraft?
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GalaxyFlyer
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Re: Any Airports with 3+ degrees approach

Tue Aug 01, 2017 1:15 am

The C-17 does one 360 from about 20,000 to Baghdad. About 10,000 fpm down, I believe.
 
sgbroimp
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Re: Any Airports with 3+ degrees approach

Wed Aug 09, 2017 6:01 pm

St. Barth's (SBH) will have you hanging on your seat belt if you come in on RWY 10.
 
a320fan
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Re: Any Airports with 3+ degrees approach

Thu Aug 10, 2017 9:24 am

Is LHR still doing the 3.5 degree trial to see if it reduced noise?
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