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Boeings High-Altitude Package

Squirrel83 From , joined Dec 1969, posts, RR:
Posted (7 years 11 months 6 days 14 hours ago) and read 1858 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

OPNLguy From , joined Dec 1969, posts, RR:
Reply 1, posted (7 years 11 months 6 days 14 hours ago) and read 1834 times:

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

B747-437B From , joined Dec 1969, posts, RR:
Reply 2, posted (7 years 11 months 6 days 14 hours ago) and read 1812 times:

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

YUL332LX From Canada, joined Feb 2004, 820 posts, RR: 1
Reply 3, posted (7 years 11 months 6 days 14 hours ago) and read 1772 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 ...

F14D4ever From United States of America, joined May 2005, 319 posts, RR: 4
Reply 4, posted (7 years 11 months 6 days 12 hours ago) and read 1618 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."

Patrickj From United States of America, joined Mar 2005, 89 posts, RR: 0
Reply 5, posted (7 years 11 months 6 days 11 hours ago) and read 1522 times:

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

SNATH From United States of America, joined Mar 2004, 3232 posts, RR: 24
Reply 6, posted (7 years 11 months 6 days 10 hours ago) and read 1498 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

Nikon: we don't want more pixels, we want better pixels.

HAWK21M From India, joined Jan 2001, 31201 posts, RR: 58
Reply 7, posted (7 years 11 months 4 days 1 hour ago) and read 1276 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!

Kellmark From United States of America, joined Dec 2000, 670 posts, RR: 8
Reply 8, posted (7 years 11 months 4 days 1 hour ago) and read 1206 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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