WxDecoder

US-3320 Weather USC Seeley G Mudd Helipad

Los Angeles, CaliforniaElevation 339 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KHHR · 6 NM S · 54 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 · KHHR
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No current METAR is available for this airport, so there is no observed aviation report to summarize. Forecast suggests sunday sunny, high near 77F, low near 58F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Sunday Sunny 77/58 SE 9 kt – 0%
Monday Sunny 76/57 W 9 kt – 0%
Tuesday Sunny 75/58 SSE 4 kt – 0%
Wednesday Partly Sunny 73/60 SSE 4 kt – 1%
Thursday Mostly Cloudy 74/60 SE 4 kt – 28%
Friday Chance Rain Showers 70/58 S 9 kt – 39%
Saturday Chance Rain Showers 68 S 9 kt – 30%

Source: National Weather Service (office LOX). Forecast issued 0947Z.

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 US-3320. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS

Field elevation

Field elevation
339 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0108Z 6:08 PM
Sunrise
1406Z 7:06 AM
Loggable night
0134Z (6:34 PM local) → 1340Z (6:40 AM local)
end of evening to start of morning civil twilight
Position lights required
0108Z (6:08 PM local) → 1406Z (7:06 AM local)
sunset to sunrise (91.209)
Night passenger currency
0208Z (7:08 PM local) → 1306Z (6:06 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

USC Seeley G Mudd Helipad is in Los Angeles, California. Field elevation 339 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAUS-3320
RegionCalifornia
CountryUnited States
Coordinates34.0215, -118.2890
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-3320 traffic patterns

2026-06-12 to 2026-10-23, 49 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.7
AVG OPS/DAY
3.5
Activity trend over 11 days: flat, from 2 to 2 operations per dayOperations trend (11 days)

Busiest day: Thu · Busiest month: Sep

FLEET MIX
Helicopter 88%Unknown 7%Piston single 5%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›AS50 (Helicopter) · ~17 landings/mo
›UNKN (Unknown) · ~1 landings/mo
›A139 (Helicopter) · ~1 landings/mo
›C152 (Piston single) · ~1 landings/mo
›C82S (Piston single) · ~0 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly rotorcraft.

›AS50 (Helicopter)

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

US-3320 has no on-field report. Nearest reporting station: KHHR (6 NM S, VFR).

KHHR Jack Northrop Field Hawthorne Municipal Airport
6 NM S
VFR
KLAX Los Angeles International Airport
8 NM SW
VFR
KSMO Santa Monica Municipal Airport
8 NM W
VFR
KBUR Hollywood Burbank/Bob Hope Airport
11 NM N
VFR
KEMT San Gabriel Valley Airport
13 NM E
VFR
KTOA Zamperini Field
13 NM S
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-3320 on OurAirports
FREQUENTLY ASKED
Does US-3320 have a METAR?
No on-field METAR is issued for US-3320. This page uses the nearest reporting station as a reference.
Does US-3320 have a TAF?
No TAF is issued directly for US-3320. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-3320?
US-3320 sits at 339 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-3320?
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.