Aspen Procedures

For those that didn’t have the pleasure of the old Denver region days pre-global, KASE isn’t as well known as it once was.

Needless to say, it is a pretty special case. Real quickly, here is just a brief snapshot as we move forward today.

Obviously, the most overwhelming thing is that you depart from 33 while landing 15. This is because there is a mountain in the way of 33. (An aside, it’s a good idea any time you’re flying in the mountains to prepare for MSAs and review VFR Charts before you’re 30 seconds from eating the side of a mountain.)

Anyway, there is an Approach path which takes you in at a roughly 30 degree angle, but for the amount of volume we see in Infinite Flight, using this path pretty much ensures no one ever gets to depart.

It takes some cooperation to allow departing aircraft some time, and for those same departures not to fly directly into the face of the inbounds,

On Approach, first, just because you’re at high altitude doesn’t mean you should be on base at 300 kts. You can still fly 180 perfectly comfortably.

If you fly up around FATPO for right traffic or the Red Table VOR (DBL) for left traffic, you can intercept the localizer around LIFTT or JARGU around 12k and be just fine. Being at 13k around FATPO is helpful. Descending along that intercept heading toward LIFTT from FATPO takes you between two peaks.

On departure, so that you’re not desperately trying to climb straight over an inbound or the terrain to the right of the centerline for 33, you can essentially follow the LINDZ departure procedure.


You fly runway heading to gain a bit of altitude until you’re at or above 9100. This takes you just about righ where you need to be to have passed a little terrain to the left of center.

From there, turn 273 degrees until you intercept the 303 radial from PKN for LINDZ (You can do this by setting LINDZ as your next waypoint and having bearing to next on the bottom. When bearing to next is at 303, you are on the radial. You’ll need to begin your turn slightly earlier obviously, because physics).

This departure procedure keeps you from climbing straight at an inbound and racing to try an climb above him. It also keeps you from eating dirt by turning east too soon.

This is not intended as an official tutorial of any kind, it’s just something I think works and allows both arrivals and departures to flow without one group having to wait indefinitely.

(Keep those speeds low. Let others enjoy flight too. It’s no fun waiting in line for 40 minutes because every inbound is at 320 knots behind the next guy.)

And don’t try to land 33.


Great tutorial, Tim!

Bit late now


Great, Thanks to know. Top man @Tim_B 😀

@Tim_B Great thread! Just did my 104th ASE turn!
Just a 2 points to point out: 1, there are only 2 commercial aircraft certified for KASE in Infinite Flight, the Q400 and CRJ-700 (and only the -700), the dozens of 737s currently present, are not only unrealistic, but they take up precious ramp space, which on a busy day like today is incredibly important.
2: just a little note, 33 landings can be done by non-jets. It is a normal 15 approach, before breaking off into a right downwind for 33. After passing Red Butte, it’s a tight turn to final following highway 82 to the 33 threshold.


Absolutely, but this is intended just for IF.

We have to accommodate a little more than the two commercials because, well, you know, it’s hard enough just keeping 388s from thinking it’s a good idea.

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I get that… just a little frustrating when a 73 is blocking 2 gates or a taxiway

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