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6Y4 Van Effen Field Airport
Rock, Michigan, USA

GOING TO ROCK?

FAA INFORMATION EFFECTIVE 22 JANUARY 2026

Location

FAA Identifier: 6Y4
Lat/Long: 46-03-07.4250N 087-15-29.8450W
46-03.123750N 087-15.497417W
46.0520625,-87.2582903
(estimated)
Elevation: 970 ft. / 296 m (estimated)
From city: 4 miles SW of ROCK, MI
Time zone: UTC -5 (UTC -4 during Daylight Saving Time)
Zip code: 49880

Airport Operations

Airport use: Open to the public
Activation date: 08/2016
Control tower: no
ARTCC: MINNEAPOLIS CENTER
FSS: GREEN BAY FLIGHT SERVICE STATION
NOTAMs facility: GRB (NOTAM-D service available)
Attendance: UNATNDD
Wind indicator: yes
Segmented circle: no

Airport Communications

CTAF: 122.9
WX AWOS-3PT at SAW (19 nm N): 118.375 (906-346-5126)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
SAWr167/19.3SAWYER VOR/DME117.1004W
ESCr340/21.0ESCANABA VOR/DME113.5500E

Airport Services

Runway Information

Runway 12/30

Dimensions: 2600 x 100 ft. / 792 x 30 m
Surface: turf, in fair condition
RUNWAY 12  RUNWAY 30
Latitude: 46-03.217500N46-03.030000N
Longitude: 087-15.773500W087-15.221333W
Elevation: 969.0 ft.957.0 ft.
Traffic pattern: leftleft
Runway heading: 116 true296 true
Obstructions: 15 ft. road, 50 ft. from runway, 125 ft. right of centerline, 3:1 slope to clear
RWY 12 APCH RATIO 20:1 TO DTHR.		73 ft. trees, 220 ft. from runway, 3:1 slope to clear
RWY 30 APCH RATIO 20:1 TO DTHR.

Airport Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: WILLIAM VAN EFFEN
2310 HOLLY 35.5 RD
ROCK, MI 49880-9435
Phone 906-869-4068
CELL.
Manager: JASON M VAN EFFEN
2310 HOLLY 35.5 RD
ROCK, MI 49880-9435
Phone 906-869-7623

Additional Remarks

A51-30 RWY 30 DTHR MKD WITH YELLOW CONES.
A51-12 RWY 12 DTHR MKD WITH YELLOW CONES.
- NO SNOW REMOVAL.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
- DEER, BIRDS & WILDLIFE ON INVOF RWY.

Instrument Procedures

There are no published instrument procedures at 6Y4.

Some nearby airports with instrument procedures:

KSAW - Marquette/Sawyer Regional Airport (19 nm N)
KESC - Delta County Airport (21 nm S)
KIMT - Ford Airport (38 nm W)
2P2 - Washington Island Airport (42 nm S)
KISQ - Schoolcraft County Airport (46 nm E)
  
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Aerial photo
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Sectional chart

 
Airport distance calculator
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From to 6Y4

Sunrise and sunset
Times for 18-Feb-2026
 Local
(UTC-5)		 Zulu
(UTC)
Morning civil twilight07:1712:17
Sunrise07:4812:48
Sunset18:1823:18
Evening civil twilight18:4923:49

Current date and time
Zulu (UTC)  18-Feb-2026 06:40:45
Local (UTC-5)  18-Feb-2026 01:40:45
 
METAR
KSAW 
19nm N 		180618Z AUTO 07007KT 10SM SCT050 M02/M08 A2981 RMK AO2
KESC 
21nm SE 		180556Z AUTO 07014KT 10SM OVC044 01/M06 A2983 RMK AO2 SLP111 T00111056 10039 20011 58019 FZRANO
TAF
KSAW 
19nm N 		180520Z 1806/1906 05007KT P6SM BKN080 WS020/11040KT TEMPO 1806/1808 4SM -SHSN OVC040 FM180800 09011G23KT 2SM -SHSN BKN024 WS020/12045KT FM181000 10012G26KT 1 1/2SM -SHSN BKN009 FM181500 10013G24KT 1/4SM +SHSN BKN009 WS020/12045KT FM181700 10013G23KT 1/2SM SHSN BKN007 FM181900 11012G21KT 2SM -FZRA SHSN BKN006
NOTAMs
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Other Pages about Van Effen Field Airport

Page from the Michigan Airport Directory (PDF)
 
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