La « part 23 » de la FAA définit la certification des avions légers aux USA. Il  semble pour une fois que la réglementation européenne soit moins « red tape » (bureaucratique) comme disent les britanniques.

Lire les billets en anglais sur :

http://www.flyingmag.com/blogs/going-direct/part-23-desert-innovation

http://www.flyingmag.com/pilots-places/pilots-adventures-more/part-23-time-change

Extraits :

The innovators out there have been in two camps. Next generation manufacturers, of which there are two, Diamond and Cirrus, and LSA makers, of which there are about 30 too many.

…

If you want to see just how closely cost and innovation are related, look no futher than Europe, where a development-friendly EASA has helped spawn some remarkably cool new four-seat models, three of which, the Pipistrel Panthera, the Tecnam 2010, and the FlightDesign C4, will be in production within the next year or two.