
Nantucket Memorial Airport (KACK/ACK) is a civil airfield in the US known for its VFR traffic and low elevation of 14 meters. It features six asphalt runways, with the longest two runways 06 and 24 each measuring 1,921 meters in length and 45 meters wide. This airport supports general aviation with multiple communication frequencies, making it a key hub for pilots flying in and out of Nantucket.