San Clemente Island Naval Auxiliary Landing Field
Daylight today(Sep 6, 2026, local time)
About 12h 41m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About San Clemente Island Naval Auxiliary Landing Field
Naval Auxiliary Landing Field (NALF) San Clemente Island, also known as Frederick Sherman Field, is a military airport located on San Clemente Island in Los Angeles County, California, United States. It has been owned by the United States Navy since 1937.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KNUCNOTAMs
KNUCReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 06 / 24 | 9,301 ft / 2,835 m | 200 ft | Con | Lighted | Open |
Radio frequencies (4)
| Type | Description | Frequency |
|---|---|---|
| A/G | BEAVER CON | 120.850 MHz |
| ATIS | ATIS | 26.860 MHz |
| GND | GND | 119.550 MHz |
| TWR | TWR | 126.750 MHz |
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (2)
Takeoff & alternate minimums (1)
Showing 4 of 4 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| SAN CLEMENTE CLASS D | Class D | Controlled | GND | 2700 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | — | 709 ft | — |
| Obstacle | — | 702 ft | — |
| Obstacle | — | 709 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from San Clemente Island Naval Auxiliary Landing Field.
Frequently asked questions
What is the ICAO code for San Clemente Island Naval Auxiliary Landing Field?
The ICAO code for San Clemente Island Naval Auxiliary Landing Field is KNUC.
Where is San Clemente Island Naval Auxiliary Landing Field located?
San Clemente Island Naval Auxiliary Landing Field is small airport located in San Clemente Island, United States, at an elevation of 184 ft (56 m).
How many runways does San Clemente Island Naval Auxiliary Landing Field have?
San Clemente Island Naval Auxiliary Landing Field has 1 runway, the longest being 9,301 ft / 2,835 m.
What time zone is San Clemente Island Naval Auxiliary Landing Field in?
San Clemente Island Naval Auxiliary Landing Field is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at San Clemente Island Naval Auxiliary Landing Field?
The magnetic variation (declination) at San Clemente Island Naval Auxiliary Landing Field is approximately 11.2° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near San Clemente Island Naval Auxiliary Landing Field?
The nearest airport to San Clemente Island Naval Auxiliary Landing Field is Catalina Airport (AVX), about 24.5 nm to the nne, followed by San Nicolas Island Nolf Airport and Zamperini Field.
Is the information on this page suitable for flight planning?
No. San Clemente Island Naval Auxiliary Landing Field data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.