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29C
GRINDSTONE AIR HARBOR
PublicPUB

4 miles E of PORT AUSTIN, MI
LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
44° 02' 48"N 82° 54' 52"W
640' MSL
1640' MSL
07W
None Listed
LANSING (LAN)
LAKE HURON
MINNEAPOLIS (ZMP)
11/27/25-12/25/25
KP58 (5nm) VFR
9:55 PM EST  
No Clouds
N/A
47°F
45°F
29.20"Hg
160° 17kts
Gusts 29kts
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

29C FBOs

No FBOs (Fixed Base Operators) are listed for this airport.
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FAA A/FD Pages

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Airport Diagrams

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Airport Minimums

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Departure Procedures

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Hotspot

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Standard Term. Arrival

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Instrument Approach

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Terminal Area Forecast

KMBS (59nm)
Thu, 12/18 6:20 PM EST
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'
3sm
170° 16kts
Gusts 27kts
MVFR
10:00 PM EST - 12:00 AM EST
Overcast 2,500'
Broken 1,200'
6sm
260° 11kts
Gusts 22kts
MVFR
12:00 AM EST - 7:00 AM EST
Light Showers and Snow
Overcast 4,000'
Broken 1,800'
6sm
270° 14kts
Gusts 24kts
MVFR
7:00 AM EST - 12:00 PM EST
Light Showers and Snow
Overcast 4,500'
Broken 2,800'
6sm
270° 16kts
Gusts 26kts
VFR
12:00 PM EST - 6:00 PM EST
Overcast 5,000'
Scattered 3,000'
6sm
290° 22kts
Gusts 36kts
VFR
6:00 PM EST - 7:00 PM EST
Broken 4,500'
6sm
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
EffectiveExpiresCategoryNOTAM
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
No
UNATNDD
KELLY J HANSON
330 E HURON AVE
BAD AXE, MI 48413-1449
Phone: 989-269-7299
KELLY J HANSON
330 E HURON AVE
BAD AXE, MI 48413-1449
Phone: 989-269-7299
LANSING FSS (LAN)
Toll Free: 1-800-WX-BRIEF
LAN
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N/A
Yes
No
No
None
No
None
None
None
None
None

Runway 18/36

1800 ft. x 85 ft.
TURF  
Fair 
NONE 
 
 
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  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
A110-3FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
A110-4DEER & LRG BIRDS ON & INVOF ARPT.
GRINDSTONE AIR HARBOR (IATA: 29C) is a public airport located in PORT AUSTIN, MI.