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Longer Route Into ABQ For Props Vs Jets  
User currently offlineQuickmover From United States of America, joined Mar 2004, 2489 posts, RR: 0
Posted (6 years 6 months 19 hours ago) and read 2085 times:

I've never been to ABQ before. Is the routing into the airport around mountainous terrain? I've noticed the F9 turbo props take this route.

http://flightaware.com/live/flight/SSX3333

Southwest and United jets take this route:

http://flightaware.com/live/flight/SWA483

The jet flight times seem to be alot less because of the more direct routing. Are the props flying around terrain and the jets over it?

12 replies: All unread, jump to last
 
User currently offlineQuickmover From United States of America, joined Mar 2004, 2489 posts, RR: 0
Reply 1, posted (6 years 6 months 18 hours ago) and read 2050 times:

Are there any pilots out there?

User currently offlineABQ747 From United States of America, joined Dec 2006, 847 posts, RR: 1
Reply 2, posted (6 years 6 months 18 hours ago) and read 2023 times:



Quoting Quickmover (Thread starter):
The jet flight times seem to be alot less because of the more direct routing. Are the props flying around terrain and the jets over it?

The Q400 has a much lower cruising altitude than jets, so I'm assuming that's why they have to take that weird routing on DEN-ABQ.



The reason New Mexico is so windy is because Texas sucks and Arizona blows.
User currently offlineBooDog From United States of America, joined Nov 2007, 257 posts, RR: 0
Reply 3, posted (6 years 6 months 18 hours ago) and read 2005 times:

I don't think anyone's posting because you posted a SAN-ABQ route for the jet example and not a DEN-ABQ route.

try comparing these two routes instead;


http://flightaware.com/live/flight/SSX3333

http://flightaware.com/live/flight/RPA4852



B1B - best looking aircraft ever.
User currently offlineKELPkid From United States of America, joined Nov 2005, 6338 posts, RR: 3
Reply 4, posted (6 years 6 months 17 hours ago) and read 1991 times:



Quoting BooDog (Reply 3):
I don't think anyone's posting because you posted a SAN-ABQ route for the jet example and not a DEN-ABQ route.

try comparing these two routes instead;


http://flightaware.com/live/flight/SSX3333

http://flightaware.com/live/flight/R...A4852

Really doesn't tell us much. Both flights used the FRIHO4 arrival, they just flew different airways to get there...

The dispatcher, of course, could have optimized the routes for each flights based on the winds aloft at the differing cruise altitudes (which is what I suspect transpired here...). ATC, between busy terminals, has what's called "preferred" routings. I don't think that DEN-ABQ is busy enough to justify a preferred routing, but the other way (ABQ-DEN) might be...  Wink



Celebrating the birth of KELPkidJR on August 5, 2009 :-)
User currently offlineCoronado990 From United States of America, joined Oct 2003, 1596 posts, RR: 2
Reply 5, posted (6 years 6 months 17 hours ago) and read 1988 times:



Quoting BooDog (Reply 3):
I don't think anyone's posting because you posted a SAN-ABQ route for the jet example and not a DEN-ABQ route.

Actually you are seeing the live ABQ-SAN leg of a DEN-ABQ-SAN routing.



Uncle SAN at your service!
User currently offlineQuickmover From United States of America, joined Mar 2004, 2489 posts, RR: 0
Reply 6, posted (6 years 6 months 17 hours ago) and read 1980 times:

I don't know what the operating ceiling is for the q400, but I didn't think there was a mountain high enough around here that it would have to go around.

User currently offlineFalcon flyer From United States of America, joined Jul 2000, 1323 posts, RR: 0
Reply 7, posted (6 years 6 months 17 hours ago) and read 1972 times:

It may have just been coincidental. It's not necessarily to differentiate between jets and turboprops unless it involved a sequencing conflict due to speed on arrival into ABQ and even then it's unlikely that ATC would have sent the Dash all the way to Fort Union as opposed to some vectoring for seqeunce. In addition to being fixes on the arrival, ESPAN, FLYBY and FRIHO are all fixes on J13 between Alamosa and ABQ so it could be filed any number of ways There's nothing on the PIKES departure from DEN differentiating the ALS and PUB transition between props and jets either, both transtions are applicable to both aircraft as is the friho arrival. Ops may have filed the flight plan over PUB and FTI for any number of reasons such as weather or PIREPS for turbulence at the lower altitude for the Dash 8.


My definition of cool ? Not trying so hard to be cool.
User currently offlineJkudall From United States of America, joined Mar 2004, 615 posts, RR: 1
Reply 8, posted (6 years 6 months 17 hours ago) and read 1965 times:

There could be a number of reasons for the different routes. The minimum altitudes to fly on the more direct route (the route the southwest flights usually take) are higher than the other routing Lynx takes, but the Lynx flights still cruise well above any terrain (they filed for 25,000). It could just be their preffered way of getting there. Maybe they generally get less turbulence or more favorable winds taking that route at the altitude they fly. It really could be a number of reasons.

User currently offlineQuickmover From United States of America, joined Mar 2004, 2489 posts, RR: 0
Reply 9, posted (6 years 6 months 17 hours ago) and read 1930 times:

I've noticed the DEN-Durango route is similar. The United DH8 makes the same type of dog leg route going back to DEN, but the rjs are more direct.

User currently offlineTheGreatChecko From United States of America, joined Mar 2004, 1128 posts, RR: 2
Reply 10, posted (6 years 5 months 3 weeks 5 days 8 hours ago) and read 1725 times:

The dogleg has to do with terrain clearance in the event of a cabin depressurization. The Q400 has a max altitude of 25,000 feet and has to demonstrate that it can reach 14,000 feet within 4 minutes (due to no O2 masks for the pax).

Apparently there is a peak south of Pueblo that requires the routing.

Checko



"A pilot's plane she is. She will love you if you deserve it, and try to kill you if you don't...She is the Mighty Q400"
User currently offlineAlias1024 From United States of America, joined Oct 2004, 2741 posts, RR: 2
Reply 11, posted (6 years 5 months 3 weeks 5 days 8 hours ago) and read 1708 times:

Wheeler Peak, near Taos has an elevation of 13,161 ft.

As Checko said, a loss of pressurization would require a descent to 14,000 ft. , which is below the minimum IFR altitude for the area.



It is a mistake to think you can solve any major problems with just potatoes.
User currently offlineTheGreatChecko From United States of America, joined Mar 2004, 1128 posts, RR: 2
Reply 12, posted (6 years 5 months 3 weeks 5 days 8 hours ago) and read 1691 times:

Now to figure out a way to miss that peak!  stirthepot 

Checko



"A pilot's plane she is. She will love you if you deserve it, and try to kill you if you don't...She is the Mighty Q400"
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