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KNUC ·

San Clemente Island Naval Auxiliary Landing Field

33.02270°N
-118.58800°W
ARR / DAY
4
▼ 28.6%
DEP / DAY
4
▼ 25.0%

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
↻
Go-arounds
0
✕
Rejected takeoffs
0
△
Unstable approaches
0
↺
Return to field
0

Current weather

Latest METAR observation

4h ago
Temp
81°F
Wind
10 kts
70°
Visib
10+ km
Ceil
—
METAR KNUC 170756Z AUTO 07010KT 10SM CLR 27/09 A2996 RMK AO2 SLP142 - 02670089 403220200 PNO $

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

24
97% of ops
143 land · 48 TO
06
3% of ops
5 land · 72 TO
Runway 24 carries 97% of operations (143 landings, 48 takeoffs) over the last 30 days. The next most-used is 06 at 3%.

Approach quality

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

24 143 landings
UA 9%
06 5 landings
UA 0%
Approaches to 24 show a 9% unstable-approach rate (13 UA events from 143 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
10.0
flights/day · 301 total
Busy hour (local)
4pm
also 3pm · 9pm
Day vs night
66%
06:00–20:00 local
Traffic concentrates around 4pm–9pm local, averaging 10.0 flights/day. Weekend volume runs 0.0× weekday (0.4 vs 14.2 daily).

Aircraft character

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

92 · 31%
80 · 27%
56 · 19%
22 · 7%
14 · 5%
9 · 3%
Activity is led by (31% of 301 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

12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p
© SkyMeter · All flight data subject to ODbL attribution · Updated 12:50 UTC