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717 TO/Landing Question  
User currently offlineTexan From New Zealand, joined Dec 2003, 4278 posts, RR: 52
Posted (9 years 6 months 2 weeks 9 hours ago) and read 2576 times:

What are the typical landing/TO distances of the 717, and would it be possible for a 717 to TO/land on a 4,900 ft. runway with enough fuel to fly nonstop to an airport apprx. 1025 nm away with full pax and required fuel reserves?

Also, what's the fuel burn rate/hr. on the 717 and how does it compare to both the 737-700 and DC-9-88?

Thanks for the help

Texan


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4 replies: All unread, jump to last
 
User currently offline727EMflyer From United States of America, joined Mar 2005, 547 posts, RR: 0
Reply 1, posted (9 years 6 months 2 weeks 8 hours ago) and read 2522 times:

Typical T/O lengths look like 5-8 thousand feet, typical landing lengths are 4-7 thousand, assuming you are not at a max landing weight. For your 4900 ft runway... you could just barely land at 2000' msl, but you would have to ignore your fuel reserves. Catch is though, you are at max landing weight there, and the same runway would not allow you to take off. Your would need about 6000 feet to get back in the air. Those numbers assume only fuel is on board... no pax or cargo, no nothing!

User currently offlineTexan From New Zealand, joined Dec 2003, 4278 posts, RR: 52
Reply 2, posted (9 years 6 months 2 weeks 6 hours ago) and read 2447 times:

How much of a difference would there be in operating from an airport like SNA which has a 5,700 ft runway (elevation 56 ft) and operating from someplace like CRQ which has a 4,900 ft runway (elevation 331 ft)? AA operates -80s from SNA nonstop to DFW (at one point also to ORD?) and CO operated 73Gs to EWR, how much of a difference would it make to operate from an airport with an 800 ft shorter runway?

Texan



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User currently offlineHa763 From United States of America, joined Jan 2003, 3660 posts, RR: 5
Reply 3, posted (9 years 6 months 2 weeks 4 hours ago) and read 2408 times:
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Quoting Texan (Thread starter):
What are the typical landing/TO distances of the 717, and would it be possible for a 717 to TO/land on a 4,900 ft. runway with enough fuel to fly nonstop to an airport apprx. 1025 nm away with full pax and required fuel reserves?

I'd have to say no. Hawaiian used fly their 717s and DC-9-50s HNL-MKK-LNY-HNL and HNL-LNY-MKK-HNL. LNY has a 5000 ft runway and MKK has a 4494 ft runway. These flights were always weight restricted. The total distance flown was only 134 nm. They also carried all the fuel needed for the trip plus enough to turn back to HNL in case they couldn't land at either airport.


User currently offline727EMflyer From United States of America, joined Mar 2005, 547 posts, RR: 0
Reply 4, posted (9 years 6 months 1 week 6 days 22 hours ago) and read 2348 times:

Well, for someone like me who is not familiar with the aircraft it takes a bit of time to sort through the performance data and come up with numbers to answer your questions better. Here is a link to the Boeing website directory of detailed tech info on all their planes (sorry, the DC and MD models don't look like they've been adopted into the directory) http://www.boeing.com/assocproducts/aircompat/plan_manuals.html
After a quick look, though, looks like the CO 738 (? Didn't think they had -700's) SNA-EWR would be really weight restricted... 140, 000 pounds... To get into the air on a standard day. What the performance charts do say that gives you an edge on T/O is the numbers they calculate assume no wind. Say you have a 15 knot headwind... That's like starting your run at 15 KIAS instead of 0. They also don't mention use of short field technique. I've never flown out of SNA, but a friend of mine who has told me he was surprised at how steep an angle he climbed out at (hmm... Could that be the pilot climbing out at Vx like he would for short field?). Maybe a pilot who knows these planes can elaborate?

As for the different elevations of SNA and CRQ, a couple hundred feet doesn't make a whole lot of difference. The performance charts list every 2000 feet of altitude and there is not a whole lot of change from one data point to the next.


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