captaink
Posts: 3987
Joined: Wed May 23, 2001 10:43 am

Landing And Taking Off From MEX

Mon Mar 07, 2005 3:01 am

Mexico CIty is some 7000ft+ above sea level. I would like to know if pilots experience any major difference in operating from thier airports as compared to lower altitude airports?

As a spotter, are there any interesting landings and take-offs that you have seen due the unusually high altitute of the airport?

Basically, how does being 7000ft+ above sea affect the aircraft performance?
There is something special about planes....
 
juventus
Posts: 2017
Joined: Tue Dec 07, 2004 11:12 pm

RE: Landing And Taking Off From MEX

Mon Mar 07, 2005 3:22 am

I've flown in there four times. My first time, I went to idle thrust just before touchdown. We had a full load, and lots of cargo. I hit the RWY hard. My Captain said, " that wasn't a landing, it was an arrival". It takes a couple of flights to get use to it.
 
delta-flyer
Posts: 2631
Joined: Mon Jul 30, 2001 9:47 am

RE: Landing And Taking Off From MEX

Mon Mar 07, 2005 3:44 am

Due to the thinner air, take-off thrust is reduced while required take-off speed is increased. This makes take-offs at full load (compared to sea level) not possible.

I was on a full flight leaving MEX to YVR .... this was in the mid-70's, on a DC-8-60 series ..... we took of with reduced fuel and had to refuel in Guadelajara, which is almost at sea level, approximately one hour flying time from MEX. After refueling, we made it to YVR nonstop without any problem.

Pete
"In God we trust, everyone else bring data"
 
osteogenesis
Posts: 494
Joined: Tue May 27, 2003 9:44 pm

RE: Landing And Taking Off From MEX

Mon Mar 07, 2005 4:34 am

Quoting Delta-flyer (reply 2):
Guadelajara, which is almost at sea level,


Guadalajara is not at sea level. It is at 4800 feet.
 
FlyHoss
Posts: 534
Joined: Wed Feb 02, 2005 12:20 pm

RE: Landing And Taking Off From MEX

Mon Mar 07, 2005 5:00 am

Operating into and out of MEX is much like any other high altitude airports; the thinner air has many impacts. For example, the same (as at a lower altitude) indicated airspeed results in a higher true airspeed (actually moving through the air at a faster rate), thus landing distances are longer.
As for a issue specific to MEX, the preferred MATEO arrival to runway 5R requires a lot of planning and IMHO is the single most difficult issue regarding MEX ops.
A little bit louder now, a lil bit louder now...
 
juventus
Posts: 2017
Joined: Tue Dec 07, 2004 11:12 pm

RE: Landing And Taking Off From MEX

Mon Mar 07, 2005 5:14 am

I agree with reply 4. The Mateo arrival requires some planning, but even with some planning, if you don't slow down quick, things start going downhill fast.
 
captaink
Posts: 3987
Joined: Wed May 23, 2001 10:43 am

RE: Landing And Taking Off From MEX

Mon Mar 07, 2005 6:16 am

HMM.. This is all rather interesting guys. Thanks for responding. I was playing flightsim (i know this is not real) and landed at MEX. The aircraft was moving so fast, I thought something was wrong, forgetting for a moment, my altitute. I am looking forward to flying into MEX, seeing how my pilots handling the aircraft.
There is something special about planes....

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