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CessnaNephew
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Joined: Mon Jul 11, 2016 2:48 pm

Aircraft Runway Requirements

Wed Jan 30, 2019 4:24 pm

Where can I find out information regarding the types of aircraft and the runway length required? For example, how long would a runway need to be for a loaded B757-200?
 
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PatrickZ80
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Re: Aircraft Runway Requirements

Wed Jan 30, 2019 5:40 pm

This is rather complex as there are a lot of things that influence the required runway length. Not only the weight of the aircraft, but also external factors like airport altitude, temperature and wind. Of course it can all be found in the aircraft manual.

And of course there is the question of what you mean by "loaded". Almost no aircraft can take off with maximum payload and maximum fuel (fuel is weight too) unless the conditions are absolutely perfect, and even then you need a mighty long runway. However most flights depart with enough fuel for the flight and a little extra, but not filled to the max. Also the payload is rarely maxed out. This makes the aircraft lighter, thus requiring less runway length.
 
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ElroyJetson
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Re: Aircraft Runway Requirements

Wed Jan 30, 2019 5:59 pm

A rough rule of thumb is 9000 ft will be sufficient for almost all commercial aircraft operations except ULH or large aircraft at close to MTOW if roughly at sea level.

For example DUB has a main runway length of just under 9000 feet and supports flights to the U.S. West coast and HKG. However, reports are potential flights to SIN are not feasible due to flight length and aircraft needed to be close to MTOW to accomplish the mission.

Obviously at high altitude or very hot conditions require more runway.
707 717 727 72S 737 733 737-700 747 757 753 767-300 764 A319 A320 DC-9-10 DC-9-30 DC-9-50, MD-82 MD-88 MD-90 DC-10-10 DC-10-40 F-100
 
JayinKitsap
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Joined: Sat Nov 26, 2005 9:55 am

Re: Aircraft Runway Requirements

Wed Jan 30, 2019 6:15 pm

CessnaNephew wrote:
Where can I find out information regarding the types of aircraft and the runway length required? For example, how long would a runway need to be for a loaded B757-200?



The Airport Planning Documents have the information you are looking for. This is the 787 one. Cue to like page 50 for the runway lengths based on temperature, altitude, and MTOW. There are similar landing charts too.

https://www.boeing.com/resources/boeing ... ps/787.pdf

This is Boeing's list, all the manufacturers have similar documents.

https://www.boeing.com/commercial/airpo ... nuals.page
 
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CessnaNephew
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Re: Aircraft Runway Requirements

Tue Feb 05, 2019 2:58 pm

Thanks to all!
 
GalaxyFlyer
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Re: Aircraft Runway Requirements

Tue Feb 05, 2019 3:15 pm

Just a note of caution, lots more goes into take-off scheduling than runway length and take-off weights—obstacles, WAT climb limits, weight bearing capacity for starters.

GF
 
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AirKevin
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Re: Aircraft Runway Requirements

Tue Feb 05, 2019 3:56 pm

PatrickZ80 wrote:
Almost no aircraft can take off with maximum payload and maximum fuel (fuel is weight too) unless the conditions are absolutely perfect, and even then you need a mighty long runway.

I actually don't know of any aircraft that can take off with maximum payload and maximum fuel at all, even with a long runway. You'd blow right through the maximum take-off weight and most likely the maximum ramp weight of the aircraft.
Captain Kevin
 
WIederling
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Re: Aircraft Runway Requirements

Tue Feb 05, 2019 4:32 pm

AirKevin wrote:
PatrickZ80 wrote:
Almost no aircraft can take off with maximum payload and maximum fuel (fuel is weight too) unless the conditions are absolutely perfect, and even then you need a mighty long runway.

I actually don't know of any aircraft that can take off with maximum payload and maximum fuel at all, even with a long runway. You'd blow right through the maximum take-off weight and most likely the maximum ramp weight of the aircraft.


Well, keeping MTOW as a hard limit in mind there are types that gain from a longer runway like the A340
and those that are hard limited by max wheel speed ( or brake limits ) like the 77W. more available runway won't help.
Murphy is an optimist
 
GalaxyFlyer
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Joined: Fri Jan 01, 2016 4:44 am

Re: Aircraft Runway Requirements

Tue Feb 05, 2019 10:44 pm

The lowest of runway limit, climb limit, obstacle limit, maximum tire speed, structural weight, and maximum landing weight at destination off the top of my head. Runway limit could be accelerate-stop, accelerate-go, maximum brake energy distances.

GF

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