Marking of aeronautical barriers related to T4 easements (Aeronautical pipes) in Eure-et-Loir (28)

The aeronautical easements are intended to ensure the protection of an aerodrome from obstacles, so that aeroplanes can land and take off in safe and regular conditions.Some obstacles must be equipped with visual or radio devices to signal their presence to pilots.are concerned under T4 easement:- all aerodromes open to public air traffic, — restricted-use aerodromes created by the State,- under prescribed conditions, certain restricted-use aerodromes created by a person other than; State.L' base of #x27; an easement is the space field (i.e., geographical area) to the #x27; within which s' applies the easement. This space field can be defined either in 2D or 3D in particular in the specific cases of airport release easements, protection easements of radio transmission centres. __Origin__ Thematic source: state of the heritage of the geographical data used in the port-to-know of l’'State Direct digitisation on the BDParcellar from provided paper drawings (DDT28/SAUH/BPAT or DREAL Centre). L' capture scale varies according to the scales of the paper planes. CNIG version of 27/10/2016 __Partner organisations__ DDT Eure-et-Loir, DREAL Centre-Val de Loire __Links annexes__ * [XML metadata view](http://ogc.geo-ide.developpement-durable.gouv.fr/csw/all-dataset?REQUEST=GetRecordById&SERVICE=CSW&VERSION=2.0.2&RESULTTYPE=results&elementSetName=full&TYPENAMES=gmd:MD_Metadata&OUTPUTSCHEMA=http://www.isotc211.org/2005/gmd&ID=fr-120066022-jdd-27be336c-b471-476e-9eee-e5607abd2f6c) * [COVADIS data standard: Table containing surface generators related to grade PM2 easements](http://geostandards.developpement-durable.gouv.fr/afficherPageStandard.do?jeu=PM2_GENERATEUR_SUP_S) * [COVADIS data standard: Categorised Facilities Generating of Servants PM2](http://geostandards.developpement-durable.gouv.fr/afficherPageStandard.do?jeu=N_PM2_GENERATEUR_SUP_S) [See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/ca991fd5eb74f6ae73149e1f19bf0af202037d61)