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Help - BBJ And ACJ Runway @ Mtwo  
User currently offlineTiago701 From Portugal, joined Jun 2006, 171 posts, RR: 3
Posted (7 years 5 months 1 week 5 hours ago) and read 4332 times:

Hey guys!

I am doing some research and comparison ,for a Uni project, between the BBJ and ACJ to start operations between LTN and MDW.

I found some contradictory results and would really appreciate some help here.

Can anyone help me with the correct data on the minimum runway length needed both for the BBJ1 (737-700) and the ACJ (A319) @ MTOW?

Also, how many people can be seated in each aircraft assuming a seat pitch of 60'? I know that Privatair seats around 48 passengers on the ACJ and 49 on the BBJ, but does anyone knows the seat pitch used?

Thank you very much for any help!

Tiago

7 replies: All unread, jump to last
 
User currently offlineAcey From Canada, joined Jun 2007, 1051 posts, RR: 0
Reply 1, posted (7 years 5 months 1 week ago) and read 4311 times:

Until tomorrow, I'm too lazy to address your other concerns, but here's a chart for the BBJ on a dry runway:

http://i162.photobucket.com/albums/t262/949520/boeing.bmp.jpg

Similar charts are available from Boeing for all variants of the 737 with various engine options on both wet and dry runways.



If a man hasn't discovered something that he will die for, he isn't fit to live. -- Martin Luther King, Jr.
User currently offlineCorey07850 From United States of America, joined Feb 2004, 2528 posts, RR: 5
Reply 2, posted (7 years 5 months 6 days 22 hours ago) and read 4306 times:

Quoting Tiago701 (Thread starter):
Can anyone help me with the correct data on the minimum runway length needed both for the BBJ1 (737-700) and the ACJ (A319) @ MTOW?

We don't dispatch our BBJ at max gross because we don't have a high occupancy cabin, but as a general rule, anything under 5750' will need chief pilot approval.

In case you're curious, our computer says 8:44 of flight time between EGGW-KMDW at FL410, TAS 430kts, and a 28kt headwind. Figure on $39,000USD to cover fuel, etc for the flight.

Hope this helps


User currently offlineAcey From Canada, joined Jun 2007, 1051 posts, RR: 0
Reply 3, posted (7 years 5 months 6 days 21 hours ago) and read 4297 times:

Quoting Corey07850 (Reply 2):
TAS 430kts

Wow, that's a lot slower than I thought BBJ's cruised at, even for long sectors. I was thinking 450 knots, 440 for the slowest.



If a man hasn't discovered something that he will die for, he isn't fit to live. -- Martin Luther King, Jr.
User currently offlineCorey07850 From United States of America, joined Feb 2004, 2528 posts, RR: 5
Reply 4, posted (7 years 5 months 6 days 20 hours ago) and read 4294 times:

Quoting Acey (Reply 3):
Wow, that's a lot slower than I thought BBJ's cruised at, even for long sectors. I was thinking 450 knots, 440 for the slowest.

That's more or less what we use to estimate flight time and not necisarily what they actually fly at.


User currently offlineAcey From Canada, joined Jun 2007, 1051 posts, RR: 0
Reply 5, posted (7 years 5 months 6 days 20 hours ago) and read 4288 times:

Quoting Corey07850 (Reply 4):
That's more or less what we use to estimate flight time and not necisarily what they actually fly at.

Ahh, okay. Thanks. I think the rule of thumb with BBJ's is .80 or .79 for shorter legs, and then about .775 to .785 for longer legs.



If a man hasn't discovered something that he will die for, he isn't fit to live. -- Martin Luther King, Jr.
User currently offlineTiago701 From Portugal, joined Jun 2006, 171 posts, RR: 3
Reply 6, posted (7 years 5 months 6 days 12 hours ago) and read 4246 times:

Thanks very much for your help!

Quoting Corey07850 (Reply 2):
In case you're curious, our computer says 8:44 of flight time between EGGW-KMDW at FL410, TAS 430kts, and a 28kt headwind. Figure on $39,000USD to cover fuel, etc for the flight.

What does the 39.000USD include apart from fuel? Is this value refering to all the costs associated with the flight, including operational, crew, etc?

Thanks again!


User currently offlineAcey From Canada, joined Jun 2007, 1051 posts, RR: 0
Reply 7, posted (7 years 5 months 6 days 1 hour ago) and read 4207 times:

Quoting Tiago701 (Reply 6):
What does the 39.000USD include apart from fuel? Is this value refering to all the costs associated with the flight, including operational, crew, etc?

Assuming jet fuel is about $2.17 per gallon, and on a 8.5 hour leg a BBJ would take maybe 44,000 pounds of fuel, and that a gallon of fuel weighs about 6.7 pounds, I get a total of only about $13,000. So the total must include a portion of landing fees, crew costs, any catering, costs at an FBO or whatever, and the rest. I know a charter company out of YYC charges based on a fixed hourly rate, so perhaps the same is done here.



If a man hasn't discovered something that he will die for, he isn't fit to live. -- Martin Luther King, Jr.
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