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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
4/17/25-5/15/25
KP58 (5nm)
VFR
5:55 AM EST
RAW
No Clouds
Viz
N/A
Temp
33°F
Dew
27°F
Pres
29.71"Hg
Wind
270° 17kts
Gusts 30kts
RMK
AO1 PK WND 26034/1023 SLP069 T00061028 $
METAR KP58 271055Z AUTO 27017G30KT 01/M03 A2971 RMK AO1 PK WND 26034/1023 SLP069 T00061028 $
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
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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, 11/27 12:20 AM EST
Valid
Thu, 11/27 1:00 AM EST - Fri, 11/28 1:00 AM EST
MVFR
Temporary
1:00 AM EST - 5:00 AM EST
Light Showers and Snow
Overcast 2,500'
Viz
6sm
Wind
Calm
MVFR
1:00 AM EST - 8:00 AM EST
Overcast 3,000'
Viz
6sm
Wind
260° 20kts
Gusts 30kts
VFR
8:00 AM EST - 1:00 PM EST
Overcast 4,000'
Scattered 2,500'
Viz
6sm
Wind
270° 20kts
Gusts 30kts
MVFR
Temporary
9:00 AM EST - 1:00 PM EST
Light Showers and Snow
Overcast 2,500'
Viz
6sm
Wind
Calm
MVFR
1:00 PM EST - 11:00 PM EST
Light Showers and Snow
Overcast 4,000'
Broken 2,500'
Viz
6sm
Wind
270° 20kts
Gusts 30kts
VFR
11:00 PM EST - 1:00 AM EST
Overcast 4,000'
Scattered 2,500'
Viz
6sm
Wind
280° 15kts
Gusts 22kts
TAF KMBS 270520Z 2706/2806 26020G30KT P6SM OVC030
TEMPO 2706/2710 6SM -SHSN OVC025
FM271300 27020G30KT P6SM SCT025 OVC040
TEMPO 2714/2718 6SM -SHSN OVC025
FM271800 27020G30KT 6SM -SHSN BKN025 OVC040
FM280400 28015G22KT P6SM SCT025 OVC040
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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