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Global Express Question  
User currently offlineUps763 From United States of America, joined Nov 2001, 199 posts, RR: 0
Posted (12 years 5 months 6 days 9 hours ago) and read 1420 times:

I was looking through some photos on the database of the Global Express. This was one of the reamarks on the photos, "C-FKGX (cn 9004) back at home. This is the AC was flown at over the speed of sound during tests. Also can cruise at .98 @ FL510." I dont doubt that it was flown over Mach 1.0 in tests. But cruise @ Mach .98?!? I thought the Citation X was the fastest Biz Jet @ Mach .92, am I wrong?

Matt

3 replies: All unread, jump to last
 
User currently offlineAirplay From , joined Dec 1969, posts, RR:
Reply 1, posted (12 years 5 months 6 days 7 hours ago) and read 1361 times:

You gotta remember that during certification test flights, the aircraft are often flown outside the of the intended flight envelope.

Aircraft are obviously capable of operating faster, higher, or heavier than the certificated limitations, but the factor of safety may be reduced to unacceptable levels for normal flight.

Short answer: Pretty much any biz-jet is "capable" of achieving mach 0.9 and higher. Just level off and apply full power.....but it's never wise to exceed the published limitations outside of certification flight testing.


User currently offlineDelta-flyer From United States of America, joined Jul 2001, 2676 posts, RR: 6
Reply 2, posted (12 years 5 months 6 days 6 hours ago) and read 1351 times:

Not only that, but the reliabilty, fuel burn and range would all be below specification levels.

Pete


User currently offlineJETPILOT From United States of America, joined May 1999, 3130 posts, RR: 29
Reply 3, posted (12 years 5 months 6 days ago) and read 1340 times:

Global Express has a high speed cruise capability at M.88. The X of .92

JET


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