Grindstone Air Harbor Airport
29C · Port Austin, Michigan · Huron County · map
Grindstone Air Harbor Airport is a public-use airport, 4 miles east of Port Austin, Michigan, 640 feet above sea level. Its one runway, 18/36, is 1,800 feet of grass.
Quick answers answers refresh every morning
What is the airport code for Grindstone Air Harbor Airport?
Its FAA code is 29C.
Where is Grindstone Air Harbor Airport?
It is 4 miles east of Port Austin, Michigan, 640 feet above sea level.
How long is the runway at Grindstone Air Harbor Airport?
Its one runway, 18/36, is 1,800 feet long, grass.
Does Grindstone Air Harbor Airport have a control tower?
No, it has no control tower.
Weather and planning now, the forecast, warnings, pilot reports, winds aloft, restrictions
Fetching the weather now, the forecast, the warnings in force, pilot reports and the winds aloft for Grindstone Air Harbor Airport…
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
The airport facts, runways, radio, fuel and services, the FAA's remarks
The airport
- Codes
- FAA 29C
- Kind
- Airport · open to the public · privately owned
- Elevation
- 640 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Fuel and services
- no fuel reported; the services card below
- On the chart
- Lake Huron sectional
- Magnetic variation
- 7W
- In the FAA's files since
- November 1996
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 18/36 | 1,800 × 85 ft | Grass, fair |
- Runway 18: trees on the approach
- Runway 36: trees on the approach
Radio frequencies
| Common traffic advisory (CTAF) | 122.9 |
Fuel and services as reported to the FAA
The FAA's record lists no fuel or services for this airport.
Nearest fields reporting jet fuel: Huron County Memorial (16 nm south), Oscoda/Wurtsmith Airport (32 nm northwest), Tuscola Area Airport (42 nm southwest).
Nearest fields reporting avgas: Huron County Memorial (16 nm south), Iosco County (27 nm northwest), Sebewaing Township Airport (30 nm southwest), Oscoda/Wurtsmith Airport (32 nm northwest).
The FAA's file records what is sold and done at the field, as the airport manager reports it, not who sells it or the price; fuel sellers (FBOs) are not named in any public file. Airports selling jet fuel in Michigan · avgas.
The FAA's remarks as written in the airport file, spelled out
- MAN-MADE or natural objects exist WI the asp needed to ensure safety in the takeoff/landing of aircraft.
- 3 feet yellow cones.
- 3 feet yellow cones.
- Ctlg obstruction exceeds a 45 degrees slp. Approach ratio 16:1 to threshold ovr +76 feet tree, 1244 feet dist, 42 feet L. approach ratio 20:1 ovr 27 feet power line, 570 feet dist, 125 feet L/R.
- Ctlg obstruction exceeds a 45 degrees slp. Approach ratio 20:1 ovr 25 feet power line, 720 feet dist, 125 feet L/R.
- Deer and large birds on and in the vicinity of airport.
Flights and activity in the air now, the airlines, based aircraft, takeoffs and landings
Activity now checking the volunteer receiver network…
Within ten miles
- Looking…
Arrivals and departures, last hour
- Looking…
From the volunteer receiver network, a few minutes behind at most; aircraft whose owners asked the FAA not to be displayed are left out; no person is named. Open the live map here.
Who flies and works here aircraft registered in town, the companies, the examiners nearby
Aircraft registered in Port Austin from the FAA register
2 aircraft are registered to owners in Port Austin, Michigan: 2 piston singles. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, not named (the site's policy at this time). All aircraft registered in Michigan.
Examiners and inspectors nearby designated by the FAA · within 50 nautical miles
No pilot examiner is based within 50 nautical miles, as far as the FAA's list places them. Also nearby: 1 airworthiness representative (manufacturing).
All 1 nearby, by kind, with contact details
What each kind does
- DAR-F: Designated Airworthiness Representative, manufacturing: issues airworthiness certificates for newly built aircraft and parts.
Designees are listed with the name and contact details the FAA publishes for them on its designee locator (read October 10, 2026): the FAA lists them so that pilots, mechanics and companies can find them. Private individuals are not named, the site's policy at this time. A designee who would rather not appear here can ask us through the contact address on the About page. Each designee is placed at the main public airport of the town the FAA lists (or the nearest one to its zip code), so "nearby" means the town, not an exact address. All examiners by state.
Safety record the NTSB's cases at or near this airport
Accidents and incidents at or near this airport NTSB records · 2 since 1982, 0 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English. The country as a whole: Where accidents happen.
Connections how this airport links to the rest of the register
- Aircraft registered in Port Austin 2 aircraft · 2 piston singles
- NTSB accidents and incidents at or near this airport 2 since 1982 · 0 fatal
- Accidents and incidents in Michigan 2,103 since 1982 · 226 in the last ten years
- Nearby landing places within 30 nautical miles 4 airports, heliports and seaplane bases
- Public-use airports in Michigan 220 landing places
- Michigan 7,223 aircraft registered
The whole map of how records connect · these connections as data: /graph/airport/29C.json.
Facts from the FAA's airport file effective October 29, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 28, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.