[HOT] leisure=common (Helipad)

Pierre Béland pierzenh at yahoo.fr
Thu Feb 19 13:59:13 UTC 2015

Hi John,
Our role is to grab information, facilitate the logistic of the humanitarian organizations. 

But we are not specialists. Once we have identified the common leisures, the GIS specialists from the international organizations can easily extract this info and examine further.

      De : john whelan <jwhelan0112 at gmail.com>
 À : "hot at openstreetmap.org" <hot at openstreetmap.org> 
 Envoyé le : Jeudi 19 février 2015 6h31
 Objet : [HOT] leisure=common (Helipad)
Project 892 task 23 is an example.  The following question got sent to me probably because I've been validating merrily away.

>What is the minimum diameter for a Helipad (leisure=common)?

Based on my own experience of visiting a remote Scottish Island the local football pitch, being smooth, level and firm enough was the designated helicopter landing place.

I'm not sure that you can tell enough from satellite imagery that a certain bit of ground is smooth, level and firm enough to take the weight of a helicopter.  However we seem to have a fair number of circular leisure=common areas tagged near fairly small villages.

So can we flesh out a bit more of the requirements please and better identify what we should be looking for and mapping.

Thanks John

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