Cuttyhunk Harbor Seaplane Base
6MA9 has 2 runways. The longest is 3/21 at 2,500 ft × 100 ft (water).
FAA NASR data, cycle 2026-09-03
6MA9 field elevation is 0 ft MSL. The standard traffic pattern altitude at 6MA9 is 1,000 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
Check 6MA9 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 6MA9 is a non-towered airport.
6MA9 has 2 runways (3/21, 9/27). The longest runway is 2,500 feet.
Runway 3/21 is the longest at 6MA9 — 2,500 ft × 100 ft, water.
6MA9 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,000 feet MSL at a field elevation of 0 feet.
6MA9 (Cuttyhunk Harbor Seaplane Base) has a field elevation of 0 feet MSL.
6MA9 (Cuttyhunk Harbor Seaplane Base) is located in Cuttyhunk, MA.