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

San Clemente Island Naval Auxiliary Landing Field (KNUC) serves San Clemente Island, United States. This is a small airport with 3 runways (06/24, H1). Field elevation is 184 ft AMSL. Data on this page is maintained by the aviation community — contribute to keep it accurate.

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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: No
  • 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: No
  • PPR Required: No
  • PPR Contact: N/A
  • Remarks: N/A

Immigration

  • Port of Entry: No
  • GENDEC Required: No
  • GAR Required: No
  • 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

M0089/26 warning
Aerodrome restriction
HOT FUEL SERVICES WILL BE UNAVAILIBLE FROM 23JUL2026 THROUGH 31JUL2026
2026-07-22 19:27:00 2026-07-31 23:00:00
M0626/26 warning
Aerodrome restriction
RWY DISTANCE MKRS RWY 24 AND RWY 06 ARE NOT TO CURRENT STANDARDS RWY 24 REMAINING BOARDS 8-8,278FT, 7-7,255FT, 6-6,234FT, 5-5,212FT, 4-4,187FT, 3-3,161FT, 2-2,189FT, 1-1,114FT OF RWY REMAINING. RWY 06 REMAINING DISTANCE MKRS RWY 06 BOARDS 8-8,278,FT, 7-7,203FT, 6-6,231FT, 5-5,205FT, 4-4,180FT, 3-3,1…
2026-06-30 18:26:00 2026-09-27 23:59:00
M0073/26 warning
Aerodrome restriction
RWY 24 WAIVE OFF LTS INBOARD 1 AND 2 AND OUTBOARD 1 ARE OUT OF SERVICE
2026-06-10 17:40:00 2026-08-07 23:59:00

+6 more active NOTAMs

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Nearby Airports

KAVX Catalina Airport 25 NM KNSI San Nicolas Island Nolf Airport 46 NM KTOA Zamperini Field 48 NM KLGB Long Beach/Daugherty Field 52 NM KSNA John Wayne-Orange Co 53 NM KSLI Los Alamitos Army Air Field 53 NM KCPM Compton Woodley Airport 55 NM KHHR Jack Northrop Field Hawthorne Municipal Airport 56 NM

Compare KNUC with KAVX side by side →

Airport History

Discover the key milestones and historical events that shaped San Clemente Island Naval Auxiliary Landing Field. Our community-powered timeline traces this airport's journey from its origins to the present day.

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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?
Yes, landing permits are required for San Clemente Island Naval Auxiliary Landing Field (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.
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