PPRuNe Forums - Maximum Displacement of displaced threshold

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mfclearner

3rd Jun 2011 09:51

Maximum Displacement of displaced threshold

What is upper limit (in meters or feet) of displacement of threshold?

rennaps

3rd Jun 2011 11:44

Maximum displacement:
When you convert the runway into a helipad :)

Seriously, I know of a runway where one end is displaced by 551m and the other end is displaced by 426m

Stall Inducer

3rd Jun 2011 14:47

If you mean for a temporary displaced threshold then for a non ILS approach it's 3500ft (1067m). Any greater than that and we require specific tailored charts. As for a normal displaced threshold I'm not aware of any limits.

Musket90

3rd Jun 2011 18:54

I know of one in UK with 540m and 640m permanent displacements at either end. Not sure if there is a maximum. Presumably as long as the lighting/markings meet the requirements for the landing threshold position then there is no maximum length.

Stall Inducer

3rd Jun 2011 20:49

The new runway in Delhi (29) has the longest permanent displaced threshold I know of at 1460m.

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