US-9149 Weather Main Street Apartments Heliport

Irvine, CaliforniaHeliport
OFF-FIELD REFERENCE
Nearest report: KSNA · 1 NM SW · 53 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 · KSNA
WIND
190@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 190° at 3 kt, visibility 10 SM, temperature 17.2C. Treat this as supplemental, not an aviation observation. Forecast suggests sunday sunny, high near 80F, low near 59F, 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 80/59 SW 9 kt – 0%
Monday Sunny 80/57 SW 9 kt – 0%
Tuesday Sunny 77/58 SE 4 kt – 0%
Wednesday Patchy Fog then Partly Sunny 76/59 S 4 kt – 1%
Thursday Mostly Cloudy 75/60 S 4 kt – 36%
Friday Chance Rain Showers 71/58 SW 9 kt – 45%
Saturday Chance Rain Showers 70 SW 9 kt – 37%

Source: National Weather Service (office SGX). Forecast issued 0946Z.

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-9149. Enter a runway number or heading to estimate wind components.
DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0107Z 6:07 PM
Sunrise
1404Z 7:04 AM
Loggable night
0132Z (6:32 PM local) → 1338Z (6:38 AM local)
end of evening to start of morning civil twilight
Position lights required
0107Z (6:07 PM local) → 1404Z (7:04 AM local)
sunset to sunrise (91.209)
Night passenger currency
0207Z (7:07 PM local) → 1304Z (6:04 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

Main Street Apartments Heliport is in Irvine, California. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAUS-9149
RegionCalifornia
CountryUnited States
Coordinates33.6852, -117.8510
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-9149 traffic patterns

2026-06-30 to 2026-08-10, 6 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1
Activity trend over 5 days: flat, from 1 to 1 operations per dayOperations trend (5 days)

Busiest day: Fri · Busiest month: Aug

FLEET MIX
Piston single 100%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›P28A (Piston single) · ~2 landings/mo
›C172 (Piston single) · ~2 landings/mo
›C180 (Piston single) · ~1 landings/mo
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-9149 has no on-field report. Nearest reporting station: KSNA (1 NM SW, VFR).

FREQUENTLY ASKED
Does US-9149 have a METAR?
No on-field METAR is issued for US-9149. This page uses the nearest reporting station as a reference.
Does US-9149 have a TAF?
No TAF is issued directly for US-9149. Use the nearest TAF-issuing field as a planning reference.
Is this an official preflight weather briefing for US-9149?
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.