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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
5:55 PM EST
RAW
No Clouds
Viz
N/A
Temp
30°F
Dew
19°F
Pres
29.74"Hg
Wind
160° 9kts
Gusts 17kts
RMK
AO1 PRESFR SLP085 T10111072
METAR KP58 162255Z AUTO 16009G17KT M01/M07 A2974 RMK AO1 PRESFR SLP085 T10111072
Services
Frequencies & Documents
Freqs & Docs
TAF
NOTAM
Operations
Runways
Remarks
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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
Tue, 12/16 2:24 PM EST
Valid
Tue, 12/16 2:00 PM EST - Wed, 12/17 1:00 PM EST
VFR
2:00 PM EST - 12:00 AM EST
Scattered 25,000'
Viz
6sm
Wind
200° 11kts
Gusts 20kts
MVFR
12:00 AM EST - 3:00 AM EST
Broken 15,000'
Broken 1,500'
Viz
6sm
Wind
210° 14kts
MVFR
3:00 AM EST - 10:00 AM EST
Overcast 1,500'
Viz
6sm
Wind
240° 11kts
MVFR
10:00 AM EST - 1:00 PM EST
Overcast 2,500'
Viz
6sm
Wind
280° 9kts
TAF KMBS 161924Z 1619/1718 20011G20KT P6SM SCT250
FM170500 21014KT P6SM BKN015 BKN150
FM170800 24011KT P6SM OVC015
FM171500 28009KT P6SM OVC025
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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