PLANS for a private airstrip have been blocked after rail bosses objected that the site was too near a Dublin train line.
The proposal related to Coolnakilly Farm, near Glenealy, Co Wicklow which was being used as a grass airstrip for a twin-seater light airplane.
But An Bord Pleanala ruled the site cannot continue to be used in this way unless full planning permission is secured.
Iarnrod Eireann had argued against the proposal as "there would be uncontrolled flight approaches" over the Dublin to Rosslare route.
It made the objections in the interests of safety in the operation of the railway, it said.
The Dublin to Wexford rail line runs east of the site and the M11 is about 15 minutes away.
A log book submitted to An Bord Pleanala suggested the site was used for 72 flights in 2010/2011.
The land owner, Bryan Sheane, had asked whether planning permission was needed last year. A submission stated the site consisted of about 500 metres of grassland for the occasional landing and taking off of a light airplane.
It argued the change of use from agricultural land was not "material" and did not constitute a development.
In an assessment, board planning inspector Fiona Tynan noted the lands are rural and agricultural in character.
But she said the "intended activities could not be regarded as a normal use of the lands at this location."
"The use of the land gives rise to new activities and materially different planning concerns. These include the impacts of noise, nuisance and disturbance on adjoining properties, including sensitive lands of conservation value."
Speaking to the Herald, Bryan Sheane said he does not know if he will apply again for planning permission.