ACK are the official call letters for Nantucket Municipal Airport, the letter N is reserved for military airports, so for any fans of Nantucket, and there are many, this ACK (Nantucket, MA) Sticker is for you. Others might remember Ack! as the favorite saying of Bill the Cat, but we think he was just a Nantucket fan.
3.75" L x 2.5" H.
