2
Runways
7
Frequencies
8
Procedures
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
CTAF
123.05 MHz
Fuel Types
100LL,A+
Traffic Pattern
Not published
ARTCC
CLEVELAND
Coordinates
42.9110, -82.5288
Ownership
Public
Hours of Operation
Current Weather
Nearby Weather Cameras
No camera at KPHN. Showing nearest cameras.
Situational awareness only — not for regulatory minimums
FAA aviation weather camera images are for situational awareness. They may NOT be used to comply with regulatory requirements — for example, to determine weather minimums for IFR flight. Images are generally updated about every 10 minutes and actual site conditions may differ from the displayed image. FAA Order JO 7110.10, §8-3-3
Sarnia
North · Camera 1 · 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 | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| 04/22 | 04 / 22 | 5,104 ft | 100 ft | ASPH | HIGH | SW (Single Wheel) 40,000 lbsDW (Dual Wheel) 55,000 lbsDTW (Dual Tandem) 90,000 lbs | - |
| 10/28 | 10 / 28 | 4,000 ft | 75 ft | ASPH | MED | SW (Single Wheel) 16,000 lbs | - |
Frequencies
| Type | Frequency | Name | Call Sign | Use | Hours |
|---|---|---|---|---|---|
| ALGONAC RCAG | 285.525 | ALGONACAPCH/DEP SVC PRVDD BY CLEVELAND ARTCC (ZOB) ON FREQS 126.525/285.525 (ALGONAC RCAG) WHEN SELFRIDGE APCH CTL CLSD. | - | ALGONAC RCAG | - |
| ALGONAC RCAG | 126.525 | ALGONACAPCH/DEP SVC PRVDD BY CLEVELAND ARTCC (ZOB) ON FREQS 126.525/285.525 (ALGONAC RCAG) WHEN SELFRIDGE APCH CTL CLSD. | - | ALGONAC RCAG | - |
| APCH/P DEP/P | 391.9 | SELFRIDGE ANGB | - | APCH/P DEP/P | - |
| APCH/P DEP/P | XXX.XXX | SELFRIDGE ANGB | - | APCH/P DEP/P | - |
| CTAF | XXX.XXX | ST CLAIR COUNTY INTLACTVT MALSR RWY 04; REIL RWY 22, 10, & 28; PAPI RWY 10 & 28; HIRL RWY 04/22; MIRL RWY 10/28 - CTAF. PAPI RWY 04 & 22 OPR CONSLY. | - | CTAF | - |
| PHN AWOS-3P | XXX.XXX | - | - | PHN AWOS-3P | - |
| UNICOM | XXX.XXX | ST CLAIR COUNTY INTL | - | UNICOM | - |
Airport Remarks
- DEER & LRG BIRDS ON & INVOF ARPT.
- TSATLC FLTS MUST NTFY US CUST AT 810-985-9541 ONE HR PRIOR TO ENTRY INTO THE US. NTFY US DEPT OF AGRICULTURE AT 810-985-6126 & AMGR 24 HRS PRIOR FOR DISPOSAL OF ACFT INTL TRASH.
- FOR CD CTC SELFRIDGE APCH AT 586-239-5706, WHEN APCH CLSD CTC CLEVELAND ARTCC AT 440-774-0224/0490.
- ACTVT MALSR RWY 04; REIL RWY 22, 10, & 28; PAPI RWY 10 & 28; HIRL RWY 04/22; MIRL RWY 10/28 - CTAF. PAPI RWY 04 & 22 OPR CONSLY.
- COML & CORPORATE LDG FEE WAIVED WITH FUEL PURCHASE.
- UNATNDD MAJOR HOLS.
IFR Procedures
2 Runway, 1 ILS, 4 Approaches, 1 Localizer
Nearby airports & facilities
MI41
Crystal Airport
St. Clair — 5 nm
MI41
CRYSTAL
ST. CLAIR — 5 nm
MI06
LAKE HURON MEDICAL CENTER
PORT HURON — 5 nm
MI06
Lake Huron Medical Center Heliport
Port Huron — 5 nm
73MI
MCLAREN PORT HURON
PORT HURON — 6 nm
73MI
MCLAREN PORT HURON
PORT HURON — 6 nm
4MI5
BPS
RUBY — 7 nm
4MI5
Bps Heliport
Ruby — 7 nm
5Y5
David's Landing Airport
St Clair — 7 nm
D99
ROBERTSON FLD
RICHMOND — 9 nm
KD99
ROBERTSON FLD
RICHMOND — 9 nm
39G
AVOCA
AVOCA — 9 nm
Nearest airports
- MI41 — Crystal Airport
St. Clair
- MI41 — CRYSTAL
ST. CLAIR
- MI06 — LAKE HURON MEDICAL CENTER
PORT HURON
- MI06 — Lake Huron Medical Center Heliport
Port Huron
- 73MI — MCLAREN PORT HURON
PORT HURON
Michigan airports
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.
Instrument Procedures
ST CLAIR COUNTY INTL has 8 published instrument flight procedures, including 2 approaches. These procedures are updated on the 28-day AIRAC cycle. Sign up for AeroCopilot to view full procedure charts with waypoint maps and altitude profiles.
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.
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), surveyed.
Is fuel available at KPHN?
Yes, ST CLAIR COUNTY INTL offers 100LL,A+ fuel.
What is the longest runway at KPHN?
The longest runway at ST CLAIR COUNTY INTL is 5,104 feet long.
How much weight can the main runway at KPHN support?
The main runway at ST CLAIR COUNTY INTL supports single-wheel landing gear aircraft up to 40,000 lbs.
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.