Mattituck Airport
21N has 1 runway. The longest is 1/19 at 2,200 ft × 60 ft (asphalt).
FAA NASR data, cycle 2026-09-03
21N field elevation is 30 ft MSL. The standard traffic pattern altitude at 21N is 1,030 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 21N is non-towered; self-announce position and intentions on CTAF.
Check 21N against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 21N is a non-towered airport. The CTAF frequency is 122.9 MHz.
21N has 1 runway (1/19). The longest runway is 2,200 feet.
21N uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,030 feet MSL at a field elevation of 30 feet.
21N (Mattituck Airport) has a field elevation of 30 feet MSL.
21N (Mattituck Airport) is located in Mattituck, NY.