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Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

San Clemente Island Naval Auxiliary Landing Field (KNUC) — San Clemente Island, United States

At a glance

Operating hours
22:00–09:00 UTC
Tower
126.75
Runways
06/24, H1, H2
Elevation
184 ft

Times in UTC. Reference only: verify with the AIP and NOTAMs.

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75% Data Complete 39 of 52 points
Missing: Fuel, Contacts
Section Breakdown
Basic Info 7/7
Runways 4/4
Frequencies 3/4
Operations 2/2
Fuel 0/1
Contacts 0/2
Additional Info 2/10
Data last updated:
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Basic Airport Information

  • ICAO: KNUC
  • Name: San Clemente Island Naval Auxiliary Landing Field
  • Type: small_airport
  • Category: Military
  • Latitude: 33.022701
  • Longitude: -118.587997
  • Elevation: 184 ft
  • Country: United States
  • Municipality: San Clemente Island
  • IATA Code: N/A
  • FAA Code: N/A
  • FIR: N/A
  • Timezone: America/Los_Angeles
  • Distance from City: N/A km
  • VFR: Yes
  • IFR: No

Runways

Runway 06/24

  • Designation: 06/24
  • Dimensions: 2835x61m
  • Surface: CON
  • PCN: 61
  • Lighting: Lighted
  • NAVAIDs: N/A
  • Approach Types: N/A
  • Remarks: N/A

Runway H1

  • Designation: H1
  • Dimensions: 70 x 70 ft
  • Surface: CON
  • PCN: N/A
  • Lighting: N/A
  • NAVAIDs: N/A
  • Approach Types: N/A
  • Remarks: N/A

Runway H2

  • Designation: H2
  • Dimensions: 70 x 70 ft
  • Surface: CON
  • PCN: N/A
  • Lighting: N/A
  • NAVAIDs: N/A
  • Approach Types: N/A
  • Remarks: N/A

Frequencies

  • Tower: 126.750 MHz
  • Ground: 119.550 MHz
  • Operations: 120.850 MHz
  • Traffic/Approach: N/A
  • ATIS: N/A

Operation Hours

Monday 22:00 – 09:00
Tuesday 23:00 – 09:00
Wednesday 23:00 – 09:00
Thursday 23:00 – 09:00
Friday 23:00 – 07:00
  • Extra Hours On Request: Not recorded
  • Remarks: Mon 15:00-02:00; Tue 16:00-02:00; Wed 16:00-02:00; Thu 16:00-02:00; Fri 16:00-00:00

Contacts

  • AIS Tel: N/A
  • ARO Tel: N/A
  • MET Tel: N/A
  • Admin Tel: N/A
  • Health Tel: N/A
  • Police Tel: N/A
  • Authorities Tel: N/A
  • Website: N/A
  • Remarks: N/A

Slots / PPR

  • Slot Required: Not recorded
  • PPR Required: Not recorded
  • PPR Contact: N/A
  • Remarks: N/A

Immigration

  • Port of Entry: Not recorded
  • APIS Required: Not recorded
  • GAR Required: Not recorded
  • Remarks: N/A

Airport Services

No services listed for this airport yet.

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United States Permit Requirements

Fast Landing: 1d
  • Overflight Permit: No
  • Landing Permit: Conditional
  • Overflight Lead Time: N/A
  • Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification
Private / GA Operations:

No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.

View Full United States Permit Details

Active NOTAMs

M0137/
warning
Aerodrome restriction
NUC AIRFIELD WILL BE CLOSED THURSDAY-SUNDAY (26NOV26-29NOV26) IN OBSERVANCE OF THE THANKSGIVING HOLIDAY AND WILL REOPEN MONDAY (30NOV26) AT 0700L (1500Z).
2026-10-26 18:53 UTC 2026-11-30 23:59 UTC
M137/26
warning
Aerodrome restriction
NUC AIRFIELD WILL BE CLOSED THURSDAY-SUNDAY (26NOV26-29NOV26) IN OBSERVANCE OF THE THANKSGIVING HOLIDAY AND WILL REOPEN MONDAY (30NOV26) AT 0700L (1500Z).
2026-10-26 18:53 UTC 2026-11-30 23:59 UTC
M0136/
warning
Aerodrome restriction
NUC AIRFIELD WILL BE CLOSED WEDNESDAY 11NOV26 IN OBSERVANCE OF VETERANS DAY AND WILL REOPEN THURSDAY 12NOV26 AT 0800L (1600Z).
2026-10-23 16:17 UTC 2026-11-12 16:00 UTC

+7 more active NOTAMs

NOTAMs received from the FAA NOTAM feed (last message 2026-10-28 14:00 UTC). This list is built from the feed as NOTAMs are issued and is not checked against the FAA's full list: confirm with FAA NOTAM Search before flight.
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Airport History

No milestones recorded for San Clemente Island Naval Auxiliary Landing Field yet. Know when it opened, who built it or a notable event? Add it with a source.

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Frequently Asked Questions
What are the operating hours of KNUC?
San Clemente Island Naval Auxiliary Landing Field operates from 22:00 to 09:00.
What is the tower frequency at KNUC?
The tower frequency at San Clemente Island Naval Auxiliary Landing Field is 126.75 MHz.
Does KNUC require landing permits?
It depends on the flight. No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures. Permit details for United States
Where is KNUC located?
San Clemente Island Naval Auxiliary Landing Field (KNUC) is located in San Clemente Island, United States.
How long is the runway at KNUC?
The main runway at San Clemente Island Naval Auxiliary Landing Field (06/24) measures 2835x61m.