Spanish standardisation and certification association
“Auxiliar power unit”. Unit for the production of power independent to the aircraft.
Carbon monoxide.
Diesel engines that comply with the Euro directive (in its Phase IV) in terms of the emission of pollutants.
Milligram per cubic metre.
Nitrogen dioxide.
Ozone.
International Civil Aviation Organisation.
Environmental Information and Service Office.
Suspended particles.
Sulphur dioxide.