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Boeings High-Altitude Package  
User currently offlineSquirrel83 From , joined Dec 1969, posts, RR:
Posted (9 years 5 months 4 weeks 1 day 18 hours ago) and read 2462 times:

Today Boeing Delivered China Eastern's First 737-700s with High-Altitude Package. What is the High-Altitude package? How much higher can the aircaraft go compared to a reguar aircraft? Any information is helpfull. . . .

[Edited 2005-06-25 01:51:10]

8 replies: All unread, jump to last
 
User currently offlineOPNLguy From , joined Dec 1969, posts, RR:
Reply 1, posted (9 years 5 months 4 weeks 1 day 18 hours ago) and read 2438 times:

I suspect the "high-altitude" refers to airport elevations in mountainous areas, and not cruising altitudes.

User currently offlineB747-437B From , joined Dec 1969, posts, RR:
Reply 2, posted (9 years 5 months 4 weeks 1 day 18 hours ago) and read 2416 times:

AFAIK, 9W had one or two of their aircraft retrofitted with this for operations to IXL.

User currently offlineYUL332LX From Canada, joined Feb 2004, 820 posts, RR: 1
Reply 3, posted (9 years 5 months 4 weeks 1 day 18 hours ago) and read 2376 times:

I believe Airbus has installed a similar package on the A319s operating to Tibet.


E volavo, volavo felice più in alto del sole, e ancora più su mentre il mondo pian piano spariva lontano laggiù ...
User currently offlineF14D4ever From United States of America, joined May 2005, 319 posts, RR: 4
Reply 4, posted (9 years 5 months 4 weeks 1 day 16 hours ago) and read 2222 times:

Quoting OPNLguy (Reply 1):
I suspect the "high-altitude" refers to airport elevations in mountainous areas, and not cruising altitudes.

That's a good guess. If the runway is more than 15,000 feet ASL, they'll want a special engine rating for takeoff, just for starters. All of the takeoff ratings I've seen stop at that altitude.



"He is risen, as He said."
User currently offlinePatrickj From United States of America, joined Mar 2005, 89 posts, RR: 0
Reply 5, posted (9 years 5 months 4 weeks 1 day 14 hours ago) and read 2126 times:

In addition to engine ratings, special provisions must be made for the cabin pressure controller and the cabin altitude warning/passenger oxygen system.

User currently offlineSNATH From United States of America, joined Mar 2004, 3247 posts, RR: 22
Reply 6, posted (9 years 5 months 4 weeks 1 day 14 hours ago) and read 2102 times:

Instead of speculating, let's do something really unusual... like reading Boeing's page!

http://www.boeing.com/news/releases/2005/q2/nr_050624g.html

"The modifications include one hour of additional emergency oxygen supply and enhancements to the cabin pressure control system that allows operations at airports located at up to 14,500 feet. These airplanes can use the high-elevation airports in Western China such as Lhasa and Bangda."

Tony



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User currently offlineHAWK21M From India, joined Jan 2001, 31702 posts, RR: 56
Reply 7, posted (9 years 5 months 3 weeks 6 days 5 hours ago) and read 1880 times:

http://www.boeing.com/news/releases/2005/q2/nr_050624g.html
The link above speaks of the delivery of an High Altitude Package.The modifications include one hour of additional emergency oxygen supply and enhancements to the cabin pressure control system that allows operations at airports located at up to 14,500 feet.

Shouldn't this be only a larger capacity O2 cylinder for crew & larger sized O2 generators for Pax.And a CPC upgrade.Or is there more to it.
regds
MEL



Think of the brighter side!
User currently offlineKellmark From United States of America, joined Dec 2000, 693 posts, RR: 8
Reply 8, posted (9 years 5 months 3 weeks 6 days 4 hours ago) and read 1810 times:

They may also need special high speed tires and brakes, due to the high ground speeds at high altitidue airports.

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