Lynn HeliportPrivate
42IL · Union, IL · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-21 · night begins 07:21 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:12 AM | 11:12Z |
| Sunrise | 06:40 AM | 11:40Z |
| Sunset | 06:53 PM | 23:53Z |
| Evening civil twilight Loggable night begins | 07:21 PM | 00:21Z |
Plan a flight from 42IL
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 100 ft |
Prefer one flat page? Full runway details for 42IL → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 42IL kneeboard →
Comms & NavAids
Nearby navigation aids
DPA 114.55 · OBK 113.00 · JVL 114.30
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| DPA · Dupage | VOR/DME | 114.55 · 92Y | Low | r339° / 19.9 NM |
| OBK · Northbrook | VOR/DME | 113.00 · 77X | High | r270° / 24.3 NM |
| JVL · Janesville | VOR/DME | 114.30 · 90X | Low | r125° / 34.4 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 42IL — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 42IL
- Coordinates
- 42.2033, -88.4975
- Elevation
- 870 ft MSL
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- KANKAKEE · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2006/05
- Distance from city
- 3 SE
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- FOR CD CTC CHICAGO APCH AT 847-289-0926.
Obstructions
- BLDGS, TREES & POWER LINES ALL QUADRANTS.
Nearby airports
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Also nearby: 5LL7 Funny Farm (private) (1 NM) · 55LL Sky Soaring (private) (3 NM) · 6IL2 Phyllis Field (private) (4 NM) · 68IS Casa De Aero Park (private) (4 NM) · 63IL Emerick (private) (4 NM) · IL74 Northwestern Medical Hospital/Huntley (private) (5 NM)
About 42IL
Lynn (42IL) is a heliport in Union, IL, at 870 ft MSL. It has 1 runway, the longest 100 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 42IL, refreshed from the Aviation Weather Center and FAA NASR.
Does 42IL have a control tower?
No. Lynn is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 42IL?
Lynn has 1 runway; the longest is 100 ft. See the Runways section for headings, surface, and lighting.
Where is 42IL?
Lynn is in Union, IL, at an elevation of 870 ft MSL. Coordinates: 42.2033, -88.4975.
More about 42IL
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 42IL in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.