WxDecoder

KZ27 Weather Pyramid Head Helipad

San Clemente Island, CaliforniaElevation 973 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KAVX · 34 NM N · 55 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KAVX
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for KZ27. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

H1/H1
Dimensions
100 x 100 ft
Surface
CON
FIELD CONDITIONS

Field elevation

Field elevation
973 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0110Z 6:10 PM
Sunrise
1405Z 7:05 AM
Loggable night
0135Z (6:35 PM local) → 1340Z (6:40 AM local)
end of evening to start of morning civil twilight
Position lights required
0110Z (6:10 PM local) → 1405Z (7:05 AM local)
sunset to sunrise (91.209)
Night passenger currency
0210Z (7:10 PM local) → 1305Z (6:05 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Pyramid Head Helipad is in San Clemente Island, California. Field elevation 973 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAKZ27
RegionCalifornia
CountryUnited States
Coordinates32.8366, -118.3816
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

KZ27 traffic patterns

2026-08-04 to 2026-09-01, 2 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.5
AVG OPS/DAY
3.5
Activity trend over 2 days: falling, from 5 to 2 operations per dayOperations trend (2 days)

Busiest day: Tue · Busiest month: Aug

FLEET MIX
Unknown 67%Helicopter 33%

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES
›UNKN (Unknown) · ~2 landings/mo
›H60 (Helicopter) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly aircraft of unknown type.

›UNKN (Unknown)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

KZ27 has no on-field report. Nearest reporting station: KAVX (34 NM N, VFR).

KAVX Catalina Airport
34 NM N
VFR
KSNA John Wayne Orange County International Airport
57 NM NE
VFR
KOKB Oceanside Municipal Airport
57 NM NE
VFR
KTOA Zamperini Field
58 NM N
VFR
KCRQ McClellan-Palomar Airport
58 NM E
VFR
KNZY North Island Naval Air Station-Halsey Field
59 NM E
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗KZ27 on OurAirports
FREQUENTLY ASKED
Does KZ27 have a METAR?
No on-field METAR is issued for KZ27. This page uses the nearest reporting station as a reference.
Does KZ27 have a TAF?
No TAF is issued directly for KZ27. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KZ27?
KZ27 sits at 973 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KZ27?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.