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Low Flight Levels Over N America  
User currently offlineBkkair From Thailand, joined Aug 2001, 409 posts, RR: 0
Posted (12 years 8 months 1 week 3 days 18 hours ago) and read 1015 times:

Just wondering why flights seem to fly lower in N America. You never seem to fly over FL390. ( Once flew FL450 on a DL767 from LAX-DFW). Flying around SE Asia normally on CX out of BKK the flights on (A330/340 and 777) go right up to FL410 or FL450. Is this unique to Asia that they fly higher?

6 replies: All unread, jump to last
 
User currently offlineMac From United States of America, joined May 2001, 293 posts, RR: 0
Reply 1, posted (12 years 8 months 1 week 3 days 17 hours ago) and read 973 times:

Average altitude I have flown in the United States is
35 thousand feet. Again, this is average altitude I have
flown. The Highest I have flown, if I recall correctly is
around 37 to 37 thousand feet.

I do not have any knowledge as to why aircraft overflying other countries would attain higher altitudes.

Mac


User currently offlineTimz From United States of America, joined Sep 1999, 6707 posts, RR: 7
Reply 2, posted (12 years 8 months 1 week 3 days 8 hours ago) and read 934 times:

I don't think the 767 is allowed to climb even to FL430 with passengers-- in the US, anyway. Cabin altitude can't exceed 8000 ft, and pressure differential can't exceed whatever...

User currently offlineColoneh From , joined Dec 1969, posts, RR:
Reply 3, posted (12 years 8 months 1 week 3 days 8 hours ago) and read 934 times:

I was once on an ASA CRJ and the captain said we were cruising at 42,000 feet...it seemed quite high. It was from atl to grr.

User currently offlineModesto2 From United States of America, joined Jul 2000, 2769 posts, RR: 6
Reply 4, posted (12 years 8 months 1 week 3 days 8 hours ago) and read 924 times:

Highest I've been was FL390 in a UA 777. But I've heard other aircraft on frequency at FL410.

User currently offlineJmacias34 From United States of America, joined Sep 2000, 379 posts, RR: 0
Reply 5, posted (12 years 8 months 1 week 3 days 8 hours ago) and read 916 times:

I was on a UA 737 flight from DEN-ONT and we are at FL410 due to rough turbulance and a storm.

User currently offlineTimz From United States of America, joined Sep 1999, 6707 posts, RR: 7
Reply 6, posted (12 years 8 months 1 week 3 days 7 hours ago) and read 914 times:

Don't think the -100 to -500 737s are allowed to exceed FL370, but if anyone knows better...

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