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29C
GRINDSTONE AIR HARBOR
Public
PUB
4 miles E of PORT AUSTIN, MI
View on
Map
Status
Operational
Coordinates
44° 02' 48"N
82° 54' 52"W
Elevation
640' MSL
Pattern Alt
1640' MSL
Mag Variation
07W
Fuel
None Listed
FSS
LANSING (LAN)
Sectional
LAKE HURON
ARTCC
MINNEAPOLIS (ZMP)
Data Effective
11/27/25-12/25/25
KP58 (5nm)
VFR
9:55 PM EST
RAW
No Clouds
Viz
N/A
Temp
47°F
Dew
45°F
Pres
29.20"Hg
Wind
160° 17kts
Gusts 29kts
RMK
AO1 PK WND 17033/0242 SLP892 P0001 60002 T00830072 58044
METAR KP58 190255Z AUTO 16017G29KT 08/07 A2920 RMK AO1 PK WND 17033/0242 SLP892 P0001 60002 T00830072 58044
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
UNICOM
--
CTAF
122.9
No communication frequencies available for this airport.
FAA A/FD Pages
No Documents
Airport Diagrams
No Documents
Airport Minimums
No Documents
Departure Procedures
No Documents
Hotspot
No Documents
Standard Term. Arrival
No Documents
Instrument Approach
No Documents
Terminal Area Forecast
KMBS (59nm)
RAW
Reported
Thu, 12/18 6:20 PM EST
Valid
Thu, 12/18 7:00 PM EST - Fri, 12/19 7:00 PM EST
IFR
7:00 PM EST - 10:00 PM EST
Light Rain and Mist
Overcast 800'
Viz
3sm
Wind
170° 16kts
Gusts 27kts
MVFR
10:00 PM EST - 12:00 AM EST
Overcast 2,500'
Broken 1,200'
Viz
6sm
Wind
260° 11kts
Gusts 22kts
MVFR
12:00 AM EST - 7:00 AM EST
Light Showers and Snow
Overcast 4,000'
Broken 1,800'
Viz
6sm
Wind
270° 14kts
Gusts 24kts
MVFR
7:00 AM EST - 12:00 PM EST
Light Showers and Snow
Overcast 4,500'
Broken 2,800'
Viz
6sm
Wind
270° 16kts
Gusts 26kts
VFR
12:00 PM EST - 6:00 PM EST
Overcast 5,000'
Scattered 3,000'
Viz
6sm
Wind
290° 22kts
Gusts 36kts
VFR
6:00 PM EST - 7:00 PM EST
Broken 4,500'
Viz
6sm
Wind
280° 15kts
Gusts 25kts
TAF KMBS 182320Z 1900/1924 17016G27KT 3SM -RA BR OVC008
FM190300 26011G22KT P6SM BKN012 OVC025
FM190500 27014G24KT 6SM -SHSN BKN018 OVC040
FM191200 27016G26KT P6SM -SHSN BKN028 OVC045
FM191700 29022G36KT P6SM SCT030 OVC050
FM192300 28015G25KT P6SM BKN045
29C
Effective
Expires
Category
NOTAM
Domestic
11/19/25
0638Z
1/3/26
0637Z
!LAN 11/227 29C OBST TOWER LGT (ASN 2022-AGL-13663-OE) 435923N0824701W (6.6NM ESE 29C) 988FT (320FT AGL) U/S 2511190638-2601030637
ATC Tower
No
Attendance
UNATNDD
Owner
KELLY J HANSON
330 E HURON AVE
BAD AXE, MI 48413-1449
Phone: 989-269-7299
Manager
KELLY J HANSON
330 E HURON AVE
BAD AXE, MI 48413-1449
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.
GRINDSTONE AIR HARBOR (IATA: 29C) is a public airport located in PORT AUSTIN, MI.
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