Airports / KNUC / San Clemente Island Naval Auxiliary Landing FieldGood ground coverage

San Clemente Island Naval Auxiliary Landing Field satellite view

📍 San Clemente Island⬆ 184 ft1 runways

KNUC ·

San Clemente Island Naval Auxiliary Landing Field

33.02270°N

-118.58800°W

ARR / DAY

▼ 16.1%

DEP / DAY

▼ 23.5%

San Clemente Island Naval Auxiliary Landing Field (KNUC) is a small general aviation airport located in San Clemente Island, CA, 56 mi south west of Huntington Beach. It features 1 runway measuring 9,301 feet. SkyMeter has observed roughly 4 arrivals and 4 departures per day on average over the last 7 days.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

Latest METAR observation

7h ago

Temp

81°F

Wind

8 kts

270°

Visib

6437 m

Ceil

—

METAR KNUC 112256Z 27008KT 4SM HZ BKN012 27/24 A2983 RMK SLPNO LAST T02670239

Runways

1 installed

9,301 FT MAX

05/23

9,301 ft × 200

CON● LIT

Runway intelligence

Which runway carries the operations, observed over the last 30 days

52% of ops

156 land · 61 TO

47% of ops

141 land · 52 TO

1% of ops

2 land · 67 TO

0% of ops

0 land · 72 TO

Runway 23 carries 52% of operations (156 landings, 61 takeoffs) over the last 30 days. The next most-used is 24 at 47%.

Approach quality

Per-runway unstable-approach, go-around, and long-rollout rates

23 156 landings

UA 12%GA 1.3%

24 141 landings

UA 13%GA 0.7%

06 2 landings

UA 0%

05 0 landings

UA 0%

Approaches to 23 show a 12% unstable-approach rate (18 UA events from 156 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.

Traffic behavior

When the field is busy: hourly + weekday vs weekend

Daily avg

11.4

flights/day · 341 total

Busy hour (local)

3pm

also 10pm · 5pm

Day vs night

64%

06:00–20:00 local

Traffic concentrates around 3pm–5pm local, averaging 11.4 flights/day. Weekend volume runs 0.0× weekday (0.1 vs 16.2 daily).

Aircraft character

What's actually flying here: top types over the last 30 days

Activity is led by (44% of 339 flights). Top three types: , , .

Communications Frequencies

2026-06-11

Type	Freq (MHz)	Hours
TWR	126.750	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
TWR	278.800	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
TWR	340.200	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
GND	119.550	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
GND	251.050	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
ATIS	268.600	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
APCH	127.050	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
APCH	292.150	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
EMERG	121.500	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
LCL/P	126.750	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
EMERG	243.000	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
LCL/P	278.800	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.
LCL/S	340.200	0800-1800 MON-THU; 0800-1600 FRI; CLSD WKEND & HOL, OTHER TIMES BY NOTAM.

Airport operations

ARTCC:: ZLA
Mag var:: 12° E

Hourly traffic

Avg movements per hour · local time · last 30 days

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