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San Nicolas Island Nolf Airport frequencies

San Nicolas Island Nolf Airport (NSI · KNSI) in San Nicolas Island, CA is a towered field, staffed 0700-1630 MON-FRI. Every frequency below is in the order you tune it, from the first call to the handoff on climb out. · Open on the map

All of San Nicolas Island Nolf Airport — runways, frequencies, charts and live weather

When the KNSI tower is closed

The tower is staffed 0700-1630 MON-FRI. Outside those hours San Nicolas Island Nolf Airport has no operating control tower: it becomes a self announce field on 126.85, and separation from other traffic is yours, not a controller's. Report your position and intentions on entry and on each leg of the pattern.

Runway lighting is often pilot controlled once the tower closes — check the KNSI airport page for the click sequence, and what to say on the radio.

Taxi & takeoff Navy Nicholas

Tower 126.85
Tower owns the active runways and the surrounding surface area. Call before entering the surface area inbound, and hold short until you are cleared to take off or to cross.

Also

Emergency 121.5
121.5 is the international emergency and distress frequency, monitored continuously. Declare on it if you are in trouble, and monitor it as a second radio when you have one free.
By procedure & sector (4 more)
132.425OPS (PLEAD CON)
243.0EMERG
306.6OPS (PLEAD CON)
379.3LCL/P
Every KNSI frequency, as one table
Tower126.85
Emergency121.5

Frequently asked

What is the tower frequency at KNSI?

San Nicolas Island Nolf Airport tower is 126.85, calling "Navy Nicholas Tower". The tower is staffed 0700-1630 MON-FRI.

What frequency do I use at KNSI when the tower is closed?

Outside 0700-1630 MON-FRI, San Nicolas Island Nolf Airport has no operating control tower and becomes a self announce field. Use 126.85 as the CTAF and report your position and intentions — there is nobody to clear you, so separation is yours.

More about KNSI

Frequencies from FAA NASR. For planning and education only; always verify against official sources.