2
Runways
7
Frequencies
0
Procedures
7
NOTAMs
Quick Facts
ICAO
KPHN
FAA
PHN
Elevation
650.1 ft MSL
Runways
2
Frequencies
7
Tower
No
Fuel
100LL,A+
Coordinates
42.911, -82.529
Airport Information
Facility Type
AIRPORT
Elevation
650.1 ft MSL
Control Tower
No
Fuel Types
100LL,A+
ARTCC
CLEVELAND
Coordinates
42.9110, -82.5288
Ownership
Public
Hours of Operation
Current Weather
METAR KPHN 220815Z AUTO 03006KT 10SM CLR 07/05 A3028 RMK AO2
Flight Category
VFR
Wind
30° at 6 kt
Visibility
10+ SM
Temperature
7°C
Dewpoint
5°C
Altimeter
1025.50 inHg
Cloud Cover
CLR
Observed 2026-05-22 08:15Z
Nearby Weather Cameras
No camera at KPHN. Showing nearest cameras.
Sarnia
East · Camera 2 · 4 cameras total
14 NM away
Chatham Kent
North · Camera 1 · 4 cameras total
45 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 04/22 | 5,104 ft | 100 ft | ASPH | HIGH |
| 10/28 | 4,000 ft | 75 ft | ASPH | MED |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| ALGONAC RCAG | 285.525 | ALGONAC |
| ALGONAC RCAG | 126.525 | ALGONAC |
| APCH/P DEP/P | 391.9 | SELFRIDGE ANGB |
| APCH/P DEP/P | XXX.XXX | SELFRIDGE ANGB |
| CTAF | XXX.XXX | ST CLAIR COUNTY INTL |
| PHN AWOS-3P | XXX.XXX | - |
| UNICOM | XXX.XXX | ST CLAIR COUNTY INTL |
Active NOTAMs
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KPHN Operational Overview
Location & Facility
ST CLAIR COUNTY INTL (KPHN) is a publicly owned airport open to the public located in PORT HURON, Michigan, United States. The field sits at an elevation of 650.1 feet above mean sea level (MSL) at coordinates 42.9110°N, 82.5288°W.
Runways
ST CLAIR COUNTY INTL has 2 runways. The longest runway (04/22) measures 5,104 feet by 100 feet with a asph surface. Other runways include 10/28 (4,000 ft, ASPH).
Communications & Operations
ST CLAIR COUNTY INTL is a non-towered (pilot-controlled) field. A total of 7 communication frequencies are published for this facility.
Services & Fuel
ST CLAIR COUNTY INTL offers 100LL,A+ fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Weather Cameras
3 FAA Weather Cameras are available near ST CLAIR COUNTY INTL, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Current Conditions
The current flight category at ST CLAIR COUNTY INTL is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations. There are currently 7 active NOTAMs for this facility.
Frequently Asked Questions
What is KPHN?
KPHN is the ICAO identifier for ST CLAIR COUNTY INTL, a public-use airport located in PORT HURON, Michigan, United States.
How many runways does ST CLAIR COUNTY INTL have?
ST CLAIR COUNTY INTL (KPHN) has 2 runways. See the runway table above for dimensions and surface types.
What is the elevation of KPHN?
The field elevation of ST CLAIR COUNTY INTL is 650.1 feet above mean sea level (MSL).
Is fuel available at KPHN?
Yes, ST CLAIR COUNTY INTL offers 100LL,A+ fuel.
What are the current weather conditions at KPHN?
The current flight category at ST CLAIR COUNTY INTL is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at KPHN?
There are currently 7 active NOTAMs for ST CLAIR COUNTY INTL. Sign up for AeroCopilot to read decoded NOTAM text and AI interpretations.
How do I access complete data for KPHN?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for ST CLAIR COUNTY INTL.
Where is ST CLAIR COUNTY INTL located?
ST CLAIR COUNTY INTL (KPHN) is located in PORT HURON, Michigan, United States, at an elevation of 650.1 ft MSL.
Does KPHN have weather cameras?
KPHN does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.