USAirwaysCLT
Topic Author
Posts: 28
Joined: Wed Aug 11, 2004 10:41 am

B733 & B734 Cruise Speed

Wed Aug 11, 2004 10:52 am

I was wondering if any of you pilots out there who fly the 733 and/or 734 could tell me what your normal cruise speed is. I've been on a 738 and when the flight information was on the moving map, it showed the cruise speed as Mach 0.81. Can the 733 and 734 cruise at or near 0.78? In Boeing's information it says typical cruise is 0.74 but I find that to seem pretty slow.

Thanks for your help.
 
swadispatcher
Posts: 420
Joined: Wed May 12, 2004 9:12 am

RE: B733 & B734 Cruise Speed

Wed Aug 11, 2004 11:33 am

We plan our 73's at M.74 but I've seen them flown .78 or .79 before.

-Dave
Maintain 2300 until Boiler, cleared for the VOR-A approach, report BATLE inbound..
 
PhilSquares
Posts: 3371
Joined: Sun Mar 28, 2004 6:06 pm

RE: B733 & B734 Cruise Speed

Wed Aug 11, 2004 1:37 pm

Remember the NG has a different wing. As a result the cruise speed and ceiling are both considerably higher.
Fly fast, live slow
 
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LAXintl
Posts: 21216
Joined: Wed May 24, 2000 12:12 pm

RE: B733 & B734 Cruise Speed

Wed Aug 11, 2004 3:06 pm

Most 733/734 operators fly at M.74-76.

While the 737NG is often operated M.78-80 range.

Also the 737NG can operate at higher cruise altitudes (41,000ft) versus older 737 series (37,000ft).


From the desert to the sea, to all of Southern California
 
wing
Posts: 1357
Joined: Sun Oct 01, 2000 9:10 pm

RE: B733 & B734 Cruise Speed

Wed Aug 11, 2004 6:27 pm

The speed we use for cruise for 737400 type is the ECON speed selected from the FMC.There are factors involved for the calculation of the econ speed which varies from operators.(cost index,weight etc).

When I select the ECON on cruise -400 gives M.74.I can also change it by either entering different value on the FMC or changing the cost index.You can also control the speed from the MCP panel.

When I fly the 737-800 the ECON gives M.78 but often we fly M.80.(Thats because my company is a small one and every airplane has other flights after our arrival.If we are in a delay for some reason we try to make it as quick as possible back to base.The difference of extra fuel burn will compansate the loss due to delay)By the way I have never seen a 737-800 flying with M.81 before, anytime I write .81 to the FMC it gives back the message "UNABLE MAX M.80.5"
follow me on my facebook page" captain wing's journey log"
 
USAirwaysCLT
Topic Author
Posts: 28
Joined: Wed Aug 11, 2004 10:41 am

RE: B733 & B734 Cruise Speed

Wed Aug 11, 2004 8:45 pm

Thanks guys, that clears up a lot. I know that in the FlightSim world I usually get a comfortable cruise at 0.74 with a medium - heavy weight load while other times with a lighter load, I can easily reach 0.76 with an "economical" fuel burn.

I appreciate your help.
 
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Starlionblue
Posts: 17578
Joined: Fri Feb 27, 2004 9:54 pm

RE: B733 & B734 Cruise Speed

Wed Aug 11, 2004 9:51 pm

USAirwaysCLT, if you fly the 734 in FS2002 I recommend this add-on: http://www.dreamfleet2000.com/737.html. All the switches work, and so does the FMC. It's a thing of beauty. Pity it's not compatible with FS2004...
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
USAirwaysCLT
Topic Author
Posts: 28
Joined: Wed Aug 11, 2004 10:41 am

RE: B733 & B734 Cruise Speed

Thu Aug 12, 2004 3:02 am

Starlionblue:

Thanks for the recommendation, however, I'm using FS2004 and yes, it would be awesome if it worked with 2004.

 
radelow
Posts: 415
Joined: Thu Jul 15, 2004 3:07 am

RE: B733 & B734 Cruise Speed

Thu Aug 12, 2004 7:11 am

There is a great alternative for FS2004. But it's a little more expensive. Check out:

http://www.precisionmanuals.com/

Mark
 
User avatar
Starlionblue
Posts: 17578
Joined: Fri Feb 27, 2004 9:54 pm

RE: B733 & B734 Cruise Speed

Thu Aug 12, 2004 9:22 am

Ok, not to turn this into a FS forum (god forbid  Big grin), but PMDG are great too.

Of course, if you have multiple desktops and a lot of money to burn you can always start playing with this. I have tried the 737NG setup and it is total megadrool on twin LCDs + a projection: http://www.projectmagenta.com/
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo

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