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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
12:55 AM EST
RAW
No Clouds
Viz
N/A
Temp
13°F
Dew
2°F
Pres
30.16"Hg
Wind
VRB° 5kts
RMK
AO1 SLP231 T11061167 11094 21122 58025
METAR KP58 050555Z AUTO VRB05KT M11/M17 A3016 RMK AO1 SLP231 T11061167 11094 21122 58025
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
Fri, 12/5 12:20 AM EST
Valid
Fri, 12/5 1:00 AM EST - Sat, 12/6 1:00 AM EST
VFR
1:00 AM EST - 7:00 AM EST
Scattered 15,000'
Viz
6sm
Wind
VRB° 3kts
VFR
7:00 AM EST - 12:00 PM EST
Broken 20,000'
Viz
6sm
Wind
200° 10kts
VFR
12:00 PM EST - 5:00 PM EST
Broken 4,500'
Scattered 2,500'
Viz
6sm
Wind
220° 12kts
Gusts 22kts
VFR
5:00 PM EST - 1:00 AM EST
Broken 5,000'
Viz
6sm
Wind
210° 10kts
TAF KMBS 050520Z 0506/0606 VRB03KT P6SM SCT150
FM051200 20010KT P6SM BKN200
FM051700 22012G22KT P6SM SCT025 BKN045
FM052200 21010KT P6SM BKN050
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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