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  4. GRINDSTONE AIR HARBOR (29C)
640 ft MSL·1,800 ft runway

GRINDSTONE AIR HARBOR (29C)

PORT AUSTIN, MI
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FAA cycle effective Aug 6, 2026

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Runway Information

Runway 18/36

Primary

Dimensions

1800 x 85 ft

Surface

TURF

Treatment

NONE

Airport Charts

Airport Diagram

FAA airport/taxi diagram

Not available

Chart Supplement

Additional airport information

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Communications

CTAF

122.9

ARTCC

ZMP

Flight Service Station

1-800-WX-BRIEF

✏️

Airport Notes

MAN-MADE OR NATURAL OBJECTS EXIST WI THE ASP NEEDED TO ENSURE SAFETY IN THE TKOF/LDG OF ACFT. FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588. DEER & LRG BIRDS ON & INVOF ARPT. 3 FT YELLOW CONES. 3 FT YELLOW CONES. CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH RATIO 16:1 TO THR OVR +76 FT TREE, 1244 FT DIST, 42 FT L. APCH RATIO 20:1 OVR 27 FT PLINE, 570 FT DIST, 125 FT L/R. CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH RATIO 20:1 OVR 25 FT PLINE, 720 FT DIST, 125 FT L/R.

Location & Coordinates

Latitude

44.04677777

44.0467778°

Longitude

-82.91441666

-82.9144167°

Elevation

640 ft MSL

Magnetic Variation

7

Sectional Chart

LAKE HURON

Contact Information

Airport Manager

KELLY J HANSON

989-269-7299

330 E HURON AVE, BAD AXE, MI 48413

Owner

KELLY J HANSON

989-269-7299

330 E HURON AVE, BAD AXE, MI 48413

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For planning and reference purposes only. Airport data may be inaccurate or outdated. Pilots must verify all information using current FAA publications.

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