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LAXintl
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World's Highest Airport Starts Operation

Tue Sep 17, 2013 2:16 am

Please bring along your own bottle of O2.   


Daocheng Yading Airport (DCY), opened for commercial operations when Air China A319 aircraft performing a flight from Chengdu to with 118 passengers landed on September 16th.

Yading airport is located at 4,411 meters (~14,500ft) above sea level in Tibetan Autonomous Prefecture of Garze and features a single 4,200m (~13,800ft) runway.

Previous highest civil airport title in the world was held by Tibet Changdu Bangda Airport at an elevation of 4,334 meters.

Story:
World's Highest Airport Starts Operation Sep. 16
http://www.wcarn.com/cache/news/28/28995.html

=
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PHX787
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 8:48 am

What's the largest airframe allowed to operate from this runway?

And while landing, can the pax be allowed to use electronic devices all the way to the ground, since they don't break 10,000 feet?      
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Clydenairways
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 8:56 am

Quoting LAXintl (Thread starter):
Please bring along your own bottle of O2.


Daocheng Yading Airport (DCY), opened for commercial operations when Air China A319 aircraft performing a flight from Chengdu to with 118 passengers landed on September 16th.

Yading airport is located at 4,411 meters (~14,500ft) above sea level in Tibetan Autonomous Prefecture of Garze and features a single 4,200m (~13,800ft) runway.

Previous highest civil airport title in the world was held by Tibet Changdu Bangda Airport at an elevation of 4,334 meters.

Passengers are going to feel fairly light headed when they step off an aeroplane at that place.
 
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Pellegrine
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 9:42 am

I would like to go visit this place; it looks beautiful.
oh boy, here we go!!!
 
Azure
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 10:28 am

Quoting Pellegrine (Reply 3):
I would like to go visit this place; it looks beautiful.

So do I, but let's wait a little : In 2015, the Yagqu airport (also in Tibet) will open. It will be located at 4,436 meters above sea level and will then become the world's highest airport !
http://travel.cnn.com/shanghai/life/...ghest-airport-planned-china-677051

China plans to open 97 airports by 2020, so that 80% of the country population is located at 90 minutes max from an airport.
 
YULWinterSkies
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 3:30 pm

Quoting phx787 (Reply 1):
And while landing, can the pax be allowed to use electronic devices all the way to the ground, since they don't break 10,000 feet?

I think the regulation means 10,000 feet from the ground. Those who fly to high elevation cities regularly can probably confirm.
But, in short, this is a shorter climb to cruise altitude and a shorter descent.
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Western727
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 5:32 pm

Quoting YULWinterSkies (Reply 5):
I think the regulation means 10,000 feet from the ground.

I too wonder about this and I look forward to a confirmation/denial. I seem to recall flying to DEN a few months ago on F9 and noticing (via IFE) that we didn't slow down until just above FL100, which was naturally only 5,000' AGL.
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katanapilot
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 5:36 pm

It's kind of trippy to imagine taking off at sea level, maintaining FL 14,500, and just landing at that height haha. (Of course there are higher mountains in the way, but still, it's interesting to imagine).
 
timz
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 5:45 pm

Quoting Western727 (Reply 6):
we didn't slow down until just above FL100

Offhand guess: the 250-knot rule is different from the electronic-device rule.
 
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AA777223
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 6:03 pm

Having an aircraft cabin with a lower altitiude than your destination? Nuts.
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Western727
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 6:16 pm

Quoting timz (Reply 8):
the 250-knot rule is different from the electronic-device rule.

DUH! My bad. I don't know why I mistakenly thought YULWinterSkies was referring to the 250kt speed limit...
Jack @ AUS
 
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lightsaber
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 7:58 pm

Quoting LAXintl (Thread starter):
Yading airport is located at 4,411 meters (~14,500ft) above sea level in Tibetan Autonomous Prefecture of Garze and features a single 4,200m (~13,800ft) runway.

Good thing I have no trouble until 4,350 meters or so in altitude... Oh wait...   

Quoting Azure (Reply 4):
So do I, but let's wait a little : In 2015, the Yagqu airport (also in Tibet) will open. It will be located at 4,436 meters above sea level and will then become the world's highest airport !

What?!?   

Swami says no longhaul travel from Yagqu.  
Quoting AA777223 (Reply 9):
Having an aircraft cabin with a lower altitiude than your destination? Nuts.

   Passengers, please standby why we depressurize the plane before opening doors...


Lightsaber
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Viscount724
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 9:06 pm

Quoting lightsaber (Reply 11):
Quoting AA777223 (Reply 9):
Having an aircraft cabin with a lower altitiude than your destination? Nuts.

Passengers, please standby why we depressurize the plane before opening doors...


I recall reading that when Eastern first took over Braniff's operations to South America, on one of their first flights to LPB (using a B727) when the aircraft's doors were opened after arrival, the passenger oxygen masks dropped. They had to adjust the system due to LPB's 13,325 ft. elevation.
 
jetblueguy22
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 9:32 pm

Quoting Western727 (Reply 6):
I seem to recall flying to DEN a few months ago on F9 and noticing (via IFE) that we didn't slow down until just above FL100, which was naturally only 5,000' AGL.

The restriction starts at 10,000 MSL so it makes sense they waited that long. I was surprised though, I thought for sure it would be in AGL. But I suppose it is tough to determine that from the aircraft.

Quoting AA777223 (Reply 9):
Having an aircraft cabin with a lower altitiude than your destination? Nuts.

I can't even imagine. I wouldn't want to be that flight crew getting ready to depart. I know I'd be feeling the effects of hypoxia.

Quoting lightsaber (Reply 11):
Passengers, please standby why we depressurize the plane before opening doors...

I wonder how they would do this. Is there a bleed valve they can open to depressurize it? I'm just a single engine Cessna guy so I've never had to deal with pressurization.
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mingocr83
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 10:22 pm

Quoting jetblueguy22 (Reply 13):

Yes Jetblueguy..they can depressurize the cabin from the cockpit overhead panel, they have a small switch to lower or raise the cabin pressure (altitude)
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thegreatchecko
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 10:27 pm

Quoting Western727 (Reply 6):
I seem to recall flying to DEN a few months ago on F9 and noticing (via IFE) that we didn't slow down until just above FL100, which was naturally only 5,000' AGL.

In that exact situation, we used to ding the FA's a little bit earlier than 10K, at about 10-15 minutes out, to give them a chance to clean up the cabin and sit down. However, on the climbout, it was 10K.

So on the descent, it probably fell under the following directions of uniformed crew rule and not the 10K rule.

There were a few times that we were busy, so the ding came right at 10K, which only gave the FA's 5 minutes or less. Thankfully, the "Flight attendants please be seated for landing" call would get them seated. We obviously helped clean the cabin once on the ground because it usually was a little more messy than usual and it was kind of our fault.

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dtw2hyd
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 11:04 pm

Can they operate year around? Couldn't find any weather data @ DCY.
 
N243NW
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 11:29 pm

Quoting jetblueguy22 (Reply 13):
I wonder how they would do this. Is there a bleed valve they can open to depressurize it? I'm just a single engine Cessna guy so I've never had to deal with pressurization.

Modern aircraft all have automatic pressurization controllers that use the cruise altitude and expected landing altitude (set in a window on the overhead panel) to automatically pressurize and depressurize the cabin. In the case of a flight to this airport, the aircraft would pressurize during climb to maintain cabin pressure throughout the flight, then gradually depressurize on descent to bring the cabin altitude all the way up to 14,500 by the time the aircraft is landing.

The 757, which at my airline is known for its high altitude capabilities, is unique in that it has a "HI ALT LDG" switch on the overhead panel which, when enabled, prevents the passenger oxygen masks from dropping until the cabin reaches 14,650 feet. I suspect even further modification to the pressurization controllers would be needed to take a 757 to Yading Airport, since it's so close to this limit.

I also suspect that flight crews at this airport are required to perform their preflight inspections, takeoffs and landings with oxygen masks on.
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allrite
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 11:43 pm

Quoting from the linked article:

Quote:
For its scenery, Yading is known as "the last Shangri-La" and "the last pure land on the blue planet." After the operation of the airport, it will drastically cut the travel time between the county and the provincial capital of Chengdu from two days by bus to only an hour by air.

Well, there goes that description...

Quoting N243NW (Reply 17):
I also suspect that flight crews at this airport are required to perform their preflight inspections, takeoffs and landings with oxygen masks on.

By the sounds of it the flights will be between CTU and DCY, the former being at an altitude of under 500 metres above sea level. Would it make sense to base the pilots at DCY to assist in acclimation to the high altitude?
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MDPIC
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RE: World's Highest Airport Starts Operation

Tue Sep 17, 2013 11:55 pm

Airbus has a High Altitude Landing option. Prevents cabin oxygen mask from dropping below 16,000.'
 
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7BOEING7
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RE: World's Highest Airport Starts Operation

Wed Sep 18, 2013 12:00 am

Quoting phx787 (Reply 1):
What's the largest airframe allowed to operate from this runway?


On the Boeing side only 737's and 757's (?) with a "High Altitude" option. The 757, 767, 777 and 787 are generally restricted per the AFM to 8400' pressure altitude, the 747 to 10,000' pressure altitude. The 757 with the option can get into Bangda, Tibet so it probably will be able to get into DCY.

Quoting N243NW (Reply 17):
The 757, which at my airline is known for its high altitude capabilities, is unique in that it has a "HI ALT LDG" switch on the overhead panel which, when enabled, prevents the passenger oxygen masks from dropping until the cabin reaches 14,650 feet. I suspect even further modification to the pressurization controllers would be needed to take a 757 to Yading Airport, since it's so close to this limit.


Similar system in the 737's these days--there are several different high altitude options.

[Edited 2013-09-17 17:01:48]
 
alfa164
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RE: World's Highest Airport Starts Operation

Wed Sep 18, 2013 12:03 am

Quoting AA777223 (Reply 9):
Having an aircraft cabin with a lower altitiude than your destination? Nuts.
Quoting Viscount724 (Reply 12):
I recall reading that when Eastern first took over Braniff's operations to South America, on one of their first flights to LPB (using a B727) when the aircraft's doors were opened after arrival, the passenger oxygen masks dropped. They had to adjust the system due to LPB's 13,325 ft. elevation.

I remember the first time I landed at LPB... when the plane's door was opened, the air rushed out, rather than in, as usually happens.

I walked about 30 feet carrying only my carry-on bag, and I thought I couldn't breathe...

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