KNSI — San Nicolas Island Nolf Airport, CA

ToweredSan Nicolas Island, CA • 506' MSL

KNSI WeatherLive METAR & TAF

Wind Component

KNSI has 1 runway. The longest is 12/30 at 10,002 ft × 200 ft (asphalt).

12/30Lighted · Right traffic 3010,002 ft × 200 ftAsphalt

FAA NASR data, cycle 2026-09-03

KNSI field elevation is 506 ft MSL. The standard traffic pattern altitude at KNSI is 1,510 ft MSL (1,000 ft AGL).

Field elevation506 ft MSL

Pattern altitude1,510 ft MSL1,000 ft AGL · standard

Control towerTowered

FAA NASR data, cycle 2026-09-03

Tower126.85

MISC127.55

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

Yes, KNSI is a towered airport with tower frequency 126.85 MHz.

KNSI has 1 runway (12/30). The longest runway is 10,002 feet.

KNSI uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,510 feet MSL at a field elevation of 506 feet.

KNSI (San Nicolas Island Nolf Airport) has a field elevation of 506 feet MSL.

KNSI (San Nicolas Island Nolf Airport) is located in San Nicolas Island, CA.