A342
Topic Author
Posts: 4017
Joined: Sun Jul 31, 2005 11:05 pm

772 Being Operated To/from 28m Wide Runway?

Fri Mar 10, 2006 6:29 am

I cannot quite believe this, but it appears UU regularly operates 772s to DZA (Dzaoudzi, Mayotte), an airport with a 1929x29m runway. What strikes me isn´t the runway length as the flight only goes to RUN (1416 km away), but rather the width of the runway. 28 meters ! Is that enough for a widebody, let alone a 772 ?

Maybe runway has been enlarged, but 2 sources state this runway dimension.

Here´s a pic, not at DZA though, but the capture says the aircraft goes to DZA:


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Photo © Mickael Payet



Here are the sources for the runway dimension:

http://gc.kls2.com/airport/DZA

http://www.worldaerodata.com/wad.cgi?id=MF75763

The last source may have a bug though: It says at DZA there is only avgas available, but actually jet aircraft fly there.

The flight can be found on Amadeus.


Happy posting !
Exceptions confirm the rule.
 
A300605R
Posts: 124
Joined: Wed Nov 16, 2005 7:11 am

RE: 772 Being Operated To/from 28m Wide Runway?

Fri Mar 10, 2006 8:17 am

The space between left and right maingear on a B777 is 10,97m.
If runway and taxiway are strong and turnpaths are wide enough, there is nothing against a B777 on a 30m runway.

http://www.boeing.com/assocproducts/aircompat/acaps/777rsec2.pdf
http://www.boeing.com/assocproducts/aircompat/acaps/777rsec4.pdf
300 319 320 321 332 733 734 735 738 753 763 F27 M83
 
A342
Topic Author
Posts: 4017
Joined: Sun Jul 31, 2005 11:05 pm

RE: 772 Being Operated To/from 28m Wide Runway?

Sat Mar 18, 2006 7:52 pm

Quoting A300605R (Reply 1):

Thanks for your answer.

However, isn´t there a minimum runway width for every aircraft (except emergencies) ?

For example, the A380 needs 45m width+shoulders, a total of 75 meters, or better, 60m+2 shoulders 7,5m wide each.

Isn´t the minimum runway width for a 777, which I believe is a category E aircraft, 45 meters ?
Exceptions confirm the rule.
 
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Starlionblue
Posts: 17114
Joined: Fri Feb 27, 2004 9:54 pm

RE: 772 Being Operated To/from 28m Wide Runway?

Sat Mar 18, 2006 11:50 pm

Quoting A342 (Reply 2):

For example, the A380 needs 45m width+shoulders, a total of 75 meters, or better, 60m+2 shoulders 7,5m wide each.

Isn�t the minimum runway width for a 777, which I believe is a category E aircraft, 45 meters ?

Well, the 380 has four engines and the 777 has two. So no outboards on the 777 that can FOD. Ergo more narrow runway is fine as long as there are no obstacles.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo

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