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29C
Local
29C
GRINDSTONE AIR HARBOR
Public
PUB
4 miles E of PORT AUSTIN, MI, US
View on
Map
Status
Operational
Coordinates
44° 02' 48"N
82° 54' 52"W
Elevation
640' MSL
Pattern Alt
1640' MSL
Mag Variation
8°W
Declination
7°W
Fuel
None Listed
FSS
LANSING (LAN)
Sectional
LAKE HURON
ARTCC
MINNEAPOLIS (ZMP)
Data Effective
2/19/26-3/19/26
KP58 (5nm)
VFR
9:55 AM EDT
RAW
No Clouds
Viz
N/A
Temp
31°F
Dew
27°F
Pres
29.91"Hg
Wind
100° 28kts
Gusts 40kts
RMK
AO1 PK WND 10040/1351 SLP139 T10061028
METAR KP58 151355Z AUTO 10028G40KT M01/M03 A2991 RMK AO1 PK WND 10040/1351 SLP139 T10061028
Services
Frequencies & Documents
Freqs & Docs
TAF
NOTAM
Operations
Runways
Remarks
Add Your Business
29C FBOs
No FBOs (Fixed Base Operators) are listed for this airport.
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Your Information
Business
x
Common
CTAF
122.9
Documents
No documents available for airport
Terminal Area Forecast
KMBS (59nm)
RAW
Reported
Sun, 3/15 7:20 AM EDT
Valid
Sun, 3/15 8:00 AM EDT - Mon, 3/16 8:00 AM EDT
IFR
8:00 AM EDT - 9:00 AM EDT
Light Freezing Rain and Ice Pellets
Overcast 1,800'
Broken 800'
Viz
3sm
Wind
100° 16kts
Gusts 24kts
MVFR
9:00 AM EDT - 4:00 PM EDT
Overcast 4,000'
Broken 1,800'
Viz
6sm
Wind
110° 18kts
Gusts 28kts
VFR
4:00 PM EDT - 12:00 AM EDT
Light Showers and Rain
Broken 15,000'
Broken 4,000'
Viz
6sm
Wind
170° 20kts
Gusts 32kts
VFR
12:00 AM EDT - 6:00 AM EDT
Light Showers and Rain
Overcast 6,000'
Broken 4,000'
Viz
6sm
Wind
170° 18kts
Gusts 34kts
MVFR
2:00 AM EDT - 5:00 AM EDT
Thunderstorm and Rain and Mist
Overcast 4,000'
Viz
3sm
Wind
Calm
VFR
6:00 AM EDT - 8:00 AM EDT
Overcast 3,500'
Viz
6sm
Wind
220° 20kts
Gusts 36kts
TAF KMBS 151120Z 1512/1612 10016G24KT 3SM -FZRAPL BKN008 OVC018
FM151300 11018G28KT P6SM BKN018 OVC040
FM152000 17020G32KT P6SM -SHRA BKN040 BKN150
FM160400 17018G34KT P6SM -SHRA BKN040 OVC060
PROB30 1606/1609 3SM TSRA BR OVC040CB
FM161000 22020G36KT P6SM OVC035
29C
Effective
Expires
Category
NOTAM
Domestic
2/14/26
0638Z
3/31/26
0637Z
!LAN 02/356 29C OBST TOWER LGT (ASN 2022-AGL-13663-OE) 435923N0824701W (6.6NM ESE 29C) 988FT (320FT AGL) U/S 2602140638-2603310637
ATC Tower
No
Attendance
UNATNDD
Owner
KELLY J HANSON
330 E HURON AVE
BAD AXE, MI 48413
Phone: 989-269-7299
Manager
KELLY J HANSON
330 E HURON AVE
BAD AXE, MI 48413
Phone: 989-269-7299
FSS
LANSING FSS (LAN)
Toll Free: 1-800-WX-BRIEF
NOTAM
LAN
Light Schedule
--
Lights
--
Beacon
N/A
Wind Indicator
Yes
Segmented Cir.
No
Landing Fee
No
Parking
None
Int'l Operations
No
Airframe Repair
None
Pwrplant Repair
None
Bottled Oxygen
None
Bulk Oxygen
None
Other Services
None
Runway 18/36
Dimensions
1800 ft. x 85 ft.
Surface Type
TURF
Surface Cond
Fair
Treatment
NONE
Rwy Edge Lgts
Pavement Class
Single Wheel
--
Double Wheel
--
Double Tandem
--
Dual Dbl Tand
--
Runway 18
Runway 36
True Heading
178°
358°
Traffic Pattern
Markings
Markings Condition
Latitude
44° 02' 57"N
44° 02' 39"N
Longitude
82° 54' 52"W
82° 54' 51"W
Elevation
611'
626'
Threshold Crossing Height
--
--
Visual Glide Path Angle
--
--
Visual Slope Indicator
--
--
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-3
FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
A110-4
DEER & LRG BIRDS ON & INVOF ARPT.
A42-18_MARK
3 FT YELLOW CONES.
A42-36_MARK
3 FT YELLOW CONES.
A57-18
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.
A57-36
CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH RATIO 20:1 OVR 25 FT PLINE, 720 FT DIST, 125 FT L/R.
E111
MAN-MADE OR NATURAL OBJECTS EXIST WI THE ASP NEEDED TO ENSURE SAFETY IN THE TKOF/LDG OF ACFT.
GRINDSTONE AIR HARBOR (IATA: 29C) is a public airport located in PORT AUSTIN, MI, US.
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