Mercy Hospital HeliportPrivate
WS40 · Janesville, WI · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-23 · night begins 07:20 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:16 AM | 11:16Z |
| Sunrise | 06:44 AM | 11:44Z |
| Sunset | 06:52 PM | 23:52Z |
| Evening civil twilight Loggable night begins | 07:20 PM | 00:20Z |
Plan a flight from WS40
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
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 50 ft |
Prefer one flat page? Full runway details for WS40 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the WS40 kneeboard →
Comms & NavAids
Nearby navigation aids
JVL 114.30 · MSN 108.60
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| JVL · Janesville | VOR/DME | 114.30 · 90X | Low | r019° / 8.5 NM |
| MSN · Madison | VORTAC | 108.60 · 23X | Low | r151° / 30.5 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for WS40 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- WS40
- Coordinates
- 42.6887, -89.0332
- Elevation
- 840 ft MSL
- Magnetic variation
- 0E
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- GREEN BAY · 122.2 · 1-800-WX-BRIEF
- Attendance
- ALL ALL
- Beacon
- white-green-yellow (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1987/05
- Distance from city
- 1 N
Night operations
- Airport lighting
- SS-SR
- Rotating beacon
- white-green-yellow · SS-SR
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
Lighting
- AND IN-PAVEMENT LGTS.
Nearby airports
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Also nearby: 2WS4 Ssm Health St. Mary's Hospital-Jansville (private) (3 NM) · WI85 Omniflight Helicopters (private) (4 NM) · 11WI Fraundorfer (private) (8 NM) · WI38 Beloit Memorial Hospital (private) (8 NM) · WI84 Johnstown Center (private) (9 NM)
About WS40
Mercy Hospital (WS40) is a heliport in Janesville, WI, at 840 ft MSL. It has 1 runway, the longest 50 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for WS40, refreshed from the Aviation Weather Center and FAA NASR.
Does WS40 have a control tower?
No. Mercy Hospital is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at WS40?
Mercy Hospital has 1 runway; the longest is 50 ft. See the Runways section for headings, surface, and lighting.
Where is WS40?
Mercy Hospital is in Janesville, WI, at an elevation of 840 ft MSL. Coordinates: 42.6887, -89.0332.
More about WS40
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 WS40 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.