If you are a pilot, you can find good aeronautical info about the airport at the AirNav site If you are flying to the airport, be sure to plan ahead. The airport does not sell fuel. The airport is fairly quiet in the off-season but can be quite busy during summer and weekends in spring and autumn. Flying to Block Island is easy from Boston, Providence or the New York metro areas.
If you want to fly as a passenger, check out New England Airlines for their scheduled service from Westerly, RI
If you fly in, be sure to grab a burger at Bethany's Airport Diner. You will be glad you did.
If you are looking for a great vacation rental on Block Island, check out this great Block Island rental home. It is close to the airport and offers privacy, views and modern amenities.