A Flight Standards District Office is a locally affiliated field office of the United States Federal Aviation Administration. There are 78 such offices nationwide as of November 2015 physically located in every state except for Delaware, New Hampshire, Rhode Island, and Vermont.

What does Fsdo stand for?

Flight Standards District Offices (FSDO)

How many Fsdo are there?

There are 80 FSDOs covering 77 geographical areas of responsi- bility in the United States to choose from, which can be confusing when searching for the right field office.