The National Institute of Civil Aviation, IP, hereinafter referred to as INAC, IP, is a public institution within the administration of indirect rule, endowed with administrative and financial autonomy and its own assets. Its job is to ensure the proper planning of all activities of the sphere of civil aviation, and to regulate and monitor the conditions in which they are developed, aiming to high safety standards. INAC, I.P. continuing responsibility of the Ministry of Economy and Employment, under supervision and guardianship of the respective minister.