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purmus

25th Nov 2014 16:42

LDA greater than TORA

Could somebody please explain to me how this is possible:

London City Airport gives a LDA of 1319 metres and a TORA of only 1199m. It also has a stopway of 120 metres which happens to be the difference in the two distances but my understanding of LDA is that it doesn't include any stopway.

Am I being stupid and missing something?

DaveReidUK

25th Nov 2014 17:19

http://www.pprune.org/tech-log/26276...distances.html

Skyjob

26th Nov 2014 21:20

Quote:

If stopway is economically possible, the ASDA lengths to be provided are preferably those for the balanced field length. The runway length is the take-off run required or the landing distance required, whichever is the greater. If the take-off distance/ASDA required is greater than the runway length so determined, the excess may be provided as stopway, usually at each end of the runway

CAP168 Appendix 3C Page 2

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