Open mapKPHN · PHN St Clair County International Airport
Port Huron, Michigan, United States
Not for navigation. Data: OurAirports (public domain); FAA NASR (US Government public domain), updated Nov 8, 2026.
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Airport facts
- Ident
- KPHN
- FAA LID
- PHN
- IATA
- PHN
- Type
- Small airport
- Public use
- Yes
- Municipality
- Port Huron
- Region
- Michigan
- Country
- United States
- Elevation
- 650 ft (198 m)
- Coordinates
- 42.9110° N 82.5289° W
42°54′40″N 82°31′44″W - Towered
- No
- Chart Supplement
- Chart Supplement (opens in a new tab)2611 PHN
Runways
| Runway | Length × width | Surface | Lighted | Status |
|---|---|---|---|---|
| 04/22 | 5,104 × 100 ft | Asphalt | Yes | Open |
| 10/28 | 4,000 × 75 ft | Asphalt | Yes | Open |
Frequencies
| Type | Name | MHz |
|---|---|---|
| AWOS | AWOS-3P | 118.375 |
| CTAF | 123.050 | |
| UNIC | 123.050 | |
| APP/DEP | 119.600 | |
| APP/DEP | 391.900 |