Flight_Standards_District_Office
Flight Standards District Office
Field office of the United States Federal Aviation Administration
A Flight Standards District Office (FSDO (/ˈfɪzˌdoʊ/ FIZ-doh)) is a locally affiliated field office of the United States Federal Aviation Administration.[1]
There are 78 such offices nationwide as of November 2015 physically located in every state except for Delaware, New Hampshire, Rhode Island, and Vermont. Delaware is served by Philadelphia,[2] Rhode Island is served by Boston,[3] and Vermont and New Hampshire are served by Portland, Maine.[4]