 Complete the following phrase:  It is included in the Federal Aviation Administration FAA National Plan of Integrated Airport Systems for 20172021, in which it is categorized as a small hub primary commercial service facility. The facility was known as Manchester Airport until April 18, 2006, when it added Boston Regional to advertise its proximity to Boston, about to the south. Certified for Cat III B Instrument Landing operations, the airport has a reputation for never surrendering to bad weather. The airport has closed only once, when the national airspace was shut down for two days following the 