Nantucket Municipal Airport

What's Ack? ACK are the official call letters for Nantucket Municipal Airport.The Airport code "ACK" was assigned by the FAA (Federal Aviation Adminstration) as the letter "N" is reserved for Military airport installations.The Airport was originally a key US Army Air Corps (as it was called) training base during WWII. The base was important because it best simulated conditions pilots would face in Europe ( fog, low ceilings, etc). Presently the airport is the seventh busiest in New England next to Logan Airport in Boston,Bradley (Hartford),TF Green (Providence),Manchester,Portland (ME),Burlington, and Bangor. "ACK" has become a popular symbol of Nantucket. Now you know what ACK is!