As an aviation authority, the Human Environment and Transport Inspectorate (ILT) oversees compliance with aviation laws and regulations in the Netherlands. The ILT grants licences (such as a certificate or exemption), registers aircraft, recognises training institutes and investigates developments. The ILT also monitors aviation companies and airports compliance with rules on noise and emissions. In this way, the ILT is committed to the safety and sustainability of civil aviation in the Netherlands.