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Best climb rate and cruising altitude?

Pro Member First Officer
horrgakx First Officer
Joined: Jan 17, 2004 Posts: 297
Posted: Thu Jun 10, 2004 3:07 pm

Chaps, as a 'general' rule of thumb for medium to heavy jets, what's the most fuel efficient climb rate and criusing altitude please?

Dave

3 Responses

Pro Member Chief Captain
tomthetank Chief Captain
Joined: Aug 24, 2003 Posts: 3400 Location: Newport S/Wales
Posted: Thu Jun 10, 2004 8:31 pm

😀Hello
You may find this link useful ➡

http://www.avsim.com/geoffschool/combined/index6.htm

Good luck

TTT

Pro Member First Officer
horrgakx First Officer
Joined: Jan 17, 2004 Posts: 297
Posted: Fri Jun 11, 2004 7:24 am

Thanks, will check that out now!

Dave

Pro Member First Officer
leadfoot First Officer
Joined: Mar 13, 2004 Posts: 370
Posted: Sat Jun 12, 2004 8:33 pm

The standard climb profile is to climb at 250ktias. Above 10,000' msl you can go to 270 or 280 kts depending on the what jet you are flying. Most jets fly anywhere from 31000' to 39000' ----- best true airspeed for mach no. The higher you go the more efficient the engines get. At high altitudes you will burn little more fuel per hour at cruise speed than than you will burn idling on the ground.

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