Van Effen Field
6Y4 · Rock, MI · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 08:25 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 07:01 AM | 11:01Z |
| Sunrise | 07:31 AM | 11:31Z |
| Sunset | 07:55 PM | 23:55Z |
| Evening civil twilight Loggable night begins | 08:25 PM | 00:25Z |
Plan a flight from 6Y4
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 12LEFT traffic
- Heading
- 116° true
- Dimensions
- 2,600 × 100 ft
- TPA
- 2,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 122.9
Enter the left downwind (heading 296°) on the 45° at 2,000 ft MSL (≈1,000 AGL).
More details — RWY 12
- Threshold elev
- 969 ft
- Approach obstacle
- Road, 15 ft, 50 ft from threshold, 125 ft R of centerline — 3:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 12/30 | 2,600 ft |
Prefer one flat page? Full runway details for 6Y4 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 6Y4 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
SAW 117.10 · ESC 113.55
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| SAW · Sawyer | VOR/DME | 117.10 · 118X | High | r167° / 19.3 NM |
| ESC · Escanaba | VOR/DME | 113.55 · 82Y | Low | r340° / 21 NM |
Prefer one flat list? All 6Y4 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 6Y4
- Coordinates
- 46.0521, -87.2583
- Elevation
- 970 ft MSL
- Sectional chart
- GREEN BAY
- Airport use
- Public
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- GRB
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2016/08
- Distance from city
- 4 SW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
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 · 8 notes
General
- NO SNOW REMOVAL.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
- DEER, BIRDS & WILDLIFE ON INVOF RWY.
Runways
- RWY 12 DTHR MKD WITH YELLOW CONES.
- RWY 30 DTHR MKD WITH YELLOW CONES.
Obstructions
- RWY 12 APCH RATIO 20:1 TO DTHR.
- RWY 30 APCH RATIO 20:1 TO DTHR.
Contact
- CELL.
Nearby airports
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Also nearby: 43MI West Gladstone (private) (13 NM) · 0MI4 Lesterson-Dempsey Airstrip (private) (14 NM) · M61 Edward F Johnson (28 NM) · 5Y7 Hanley Field (32 NM)
About 6Y4
Van Effen Field (6Y4) is an airport in Rock, MI, at 970 ft MSL. It has 1 runway, the longest 2,600 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 6Y4, refreshed from the Aviation Weather Center and FAA NASR.
Does 6Y4 have a control tower?
No. Van Effen Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 6Y4?
Van Effen Field has 1 runway; the longest is 2,600 ft. See the Runways section for headings, surface, and lighting.
Where is 6Y4?
Van Effen Field is in Rock, MI, at an elevation of 970 ft MSL. Coordinates: 46.0521, -87.2583.
More about 6Y4
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 6Y4 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.