Massachucetts Institute of Technology is highly regarded as the best technological institute in the world. The aeronautical engineering course is considered top notch. Purdue University is also a top university. 

Hope this helped.

The best aeronotical colleges in the world are mainly in USA,  starting from Stanford university, California institute of thechnology, Geogia intitute of technology, Princeton university, University of Texas, University of Michigan - Ann Arbor, Purdue university