Touch down aming point
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Join Date: Jan 2013
Location: Netherlands
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Touch down aming point
Hello,
I was looking through my Jeppesen Airway Manual lately and found out that the 1000ft marker, as I learned in ground school, is actually a 1312' marker according to ICAO standards.
I've been using Google earth for the last our now with its measuring tools to measure the length from the beginning of runway to the aiming points and I found out that at the bigger airports surrounding me (Amsterdam, Rotterdam, Weeze etc.) the ICAO 1312' is in use.
But at my current training airport EHGG (Groningen Airport Eelde) the aiming point is at 1000' away from the beginning of the runway.
Why is it so, that some airports in the Netherlands are using the ICAO 1312' standard, and some are still using the 1000' point.
Does it have to do something with runway length perhaps? (As EHGG has a far shorter runway then EHAM).
I couldn't find anything about this phenomenon on the internet. So I hope there is someone over here that could answer my question.
I was looking through my Jeppesen Airway Manual lately and found out that the 1000ft marker, as I learned in ground school, is actually a 1312' marker according to ICAO standards.
I've been using Google earth for the last our now with its measuring tools to measure the length from the beginning of runway to the aiming points and I found out that at the bigger airports surrounding me (Amsterdam, Rotterdam, Weeze etc.) the ICAO 1312' is in use.
But at my current training airport EHGG (Groningen Airport Eelde) the aiming point is at 1000' away from the beginning of the runway.
Why is it so, that some airports in the Netherlands are using the ICAO 1312' standard, and some are still using the 1000' point.
Does it have to do something with runway length perhaps? (As EHGG has a far shorter runway then EHAM).
I couldn't find anything about this phenomenon on the internet. So I hope there is someone over here that could answer my question.
Join Date: Nov 2011
Location: Newark UK
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I understand the distance from the threshold depends on the LDA. The figures are (direct from the text-book btw, so forgive me if they're wrong):
LDA less than 800m; 150m from threshold
LDA 800m - 1200m; 250m from threshold
LDA 1200m - 2400m; 300m from threshold
LDA 2400m+; 400m from threshold
It then goes on to say if VASIs/PAPIs are installed the aiming point must correspond to the origin of the visual approach slope.
LDA less than 800m; 150m from threshold
LDA 800m - 1200m; 250m from threshold
LDA 1200m - 2400m; 300m from threshold
LDA 2400m+; 400m from threshold
It then goes on to say if VASIs/PAPIs are installed the aiming point must correspond to the origin of the visual approach slope.
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Thanks for the fast & complete reply!
May I ask where you found this information?
I forgot to bring my Airway Manual home this weekend so I was looking it up in the Airway Manual integrated in JeppView but couldn't find it there
Thanks!
May I ask where you found this information?
I forgot to bring my Airway Manual home this weekend so I was looking it up in the Airway Manual integrated in JeppView but couldn't find it there
Thanks!
