Mercy Hospital Heliport HeliportPrivate
WS40 · Janesville, WI · 840 ft elevation · var 0E · Non-towered
Airport information
- FAA LID
- WS40
- Coordinates
- 42.6883, -89.0326
- 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
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-23
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:43 AM | 09:43Z |
| Sunrise | 05:19 AM | 10:19Z |
| Sunset | 08:38 PM | 01:38Z |
| Evening civil twilight Loggable night begins | 09:13 PM | 02:13Z |
Plan a flight from WS40
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 in the live weather panel above.
Runway H1/H1
50 ft × 50 ft · Asphalt- Heading
- n/a
- Threshold elev
- 840 ft
- Markings
- basic
- Traffic pattern
- Left
- Heading
- n/a
- Threshold elev
- 840 ft
- Markings
- basic
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| H1/H1 | 50 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| JVL · Janesville | VOR-DME | 114.30 | r019° / 8.5 NM |
| RFD · Rockford | VOR-DME | 110.80 | r014° / 28.7 NM |
| MSN · Madison | VORTAC | 108.60 | r151° / 30.6 NM |
| BUU · Burbun | VOR-DME | 114.50 | r271° / 32.3 NM |
VFR sectional
No published instrument procedures or Chart Supplement for WS40. VFR sectional link above.
Ownership & management
Remarks FAA
General
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
Lighting
- AND IN-PAVEMENT LGTS.
Nearby airports
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.
About WS40
Mercy Hospital Heliport (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 Heliport is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at WS40?
Mercy Hospital Heliport has 1 runway; the longest is 50 ft. See the Runways tab for headings, surface, and lighting.
Where is WS40?
Mercy Hospital Heliport is in Janesville, WI, at an elevation of 840 ft MSL. Coordinates: 42.6883, -89.0326.
Fly out of WS40 often?
Save WS40 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.