CT21 — Sunnyvale Field, North Stonington, CT

Non-ToweredNorth Stonington, CT • 213' MSL

CT21 WeatherLive METAR & TAF

CT21 has 1 runway. The longest is 1/19 at 2,004 ft × 50 ft (dirt).

1/19No runway lights2,004 ft × 50 ftDirt

FAA NASR data, cycle 2026-09-03

CT21 field elevation is 213 ft MSL. The standard traffic pattern altitude at CT21 is 1,210 ft MSL (1,000 ft AGL).

Field elevation213 ft MSL

Pattern altitude1,210 ft MSL1,000 ft AGL · standard

Control towerNon-towered

FAA NASR data, cycle 2026-09-03

Check CT21 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.

No, CT21 is a non-towered airport.

CT21 has 1 runway (1/19). The longest runway is 2,004 feet.

CT21 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,210 feet MSL at a field elevation of 213 feet.

CT21 (Sunnyvale Field) has a field elevation of 213 feet MSL.

CT21 (Sunnyvale Field) is located in North Stonington, CT.