WxDecoder

LL35 Weather Chicago Fire Department Air Sea Rescue Heliport

Chicago, IllinoisElevation 598 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KMDW · 11 NM W · 12 min old
Ceiling 19,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMDW
WIND
080@6
steady
VISIBILITY
10 SM
16.1 km
CEILING
19,000 ft
lowest BKN/OVC
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 90° at 5 kt, visibility 10 SM, temperature 12C. Treat this as supplemental, not an aviation observation. Forecast suggests tuesday mostly cloudy, high near 67F, low near 56F, 3% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Saturday: Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tuesday Mostly Cloudy 67/56 SE 9 kt – 3%
Wednesday Mostly Sunny 72/59 SSW 9 kt – 5%
Thursday Slight Chance Rain Showers 72/55 WSW 13 kt – 24%
Friday Partly Sunny then Slight Chance Rain Showers 68/57 ENE 4 kt – 24%
Saturday Chance Showers And Thunderstorms 68/57 ESE 4 kt – 39% Thunderstorms in the forecast
Sunday Chance Rain Showers 67/57 SSE 4 kt – 40%
Monday Chance Rain Showers 66 E 13 kt – 54%

Source: National Weather Service (office LOT). Forecast issued 0805Z.

Radar

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

OUR HEADSET PICK · NOT SPONSORED

DC

David Clark DC ONE-X

Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise canceling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.

Visit David Clark
RUNWAYS & WIND
Crosswind calculator
No runway layout is available for LL35. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 50 ft

H1
Dimensions
50 x 50 ft
Surface
Concrete
Edge lights
PERI
RWY H1

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
598 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2252Z 5:52 PM
Sunrise
1215Z 7:15 AM
Loggable night
2321Z (6:21 PM local) → 1147Z (6:47 AM local)
end of evening to start of morning civil twilight
Position lights required
2252Z (5:52 PM local) → 1215Z (7:15 AM local)
sunset to sunrise (91.209)
Night passenger currency
2352Z (6:52 PM local) → 1115Z (6:15 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

Chicago Fire Department Air Sea Rescue Heliport is in Chicago, Illinois. Field elevation 598 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerDAVID DOGGETT CHICAGO F D ASR
Manager phone312-745-1575
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATALL35
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)KANKAKEE
RegionIllinois
CountryUnited States
Coordinates41.7244, -87.5264
Distance from city13 NM SE
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSunset to sunrise
AIRCRAFT ACTIVITY

LL35 traffic patterns

2026-06-13 to 2026-10-25, 61 days observed · data 2026-10-25

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.7
AVG OPS/DAY
2.2
Activity trend over 16 days: rising, from 2 to 3 operations per dayOperations trend (16 days)

Busiest day: Thu · Busiest month: Aug

FLEET MIX
Helicopter 92%Piston single 8%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›B407 (Helicopter) · ~12 landings/mo
›B429 (Helicopter) · ~11 landings/mo
›B412 (Helicopter) · ~3 landings/mo
›B06 (Helicopter) · ~2 landings/mo
›PA18 (Piston single) · ~2 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

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

›B407 (Helicopter)
›B429 (Helicopter)
›B412 (Helicopter)
›PA18 (Piston single)

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

LL35 has no on-field report. Nearest reporting station: KMDW (11 NM W, VFR).

KMDW Chicago Midway International Airport
11 NM W
VFR
KORD Chicago O'Hare International Airport
23 NM NW
VFR
KLOT Lewis University Airport
27 NM W
VFR
KVPZ Porter County Municipal Airport
28 NM SE
VFR
KMGC Michigan City Municipal Airport
32 NM E
VFR
KJOT Joliet Regional Airport
32 NM SW
VFR
AIRPORT REMARKS

Operational remarks

›40 FT TREES 400 FT SOUTH OF PAD.
›CHIEF
›FOR CD CTC CHICAGO APCH AT 847-289-0926.
›DEPT. OF GEN. SRVCS.
›HELI ALSO HAS FLOOD LIGHTS.
›SEE AIRSPACE CASE 01-AGL-1941-NRA.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗LL35 on OurAirports
FREQUENTLY ASKED
Does LL35 have a METAR?
No on-field METAR is issued for LL35. This page uses the nearest reporting station as a reference.
Does LL35 have a TAF?
No TAF is issued directly for LL35. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at LL35?
LL35 sits at 598 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for LL35?
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.