KPHN · PHN

St Clair County International Airport

Port Huron, MichiganElevation 650 ftSmall airport

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RUNWAYS

Runway detail & declared distances

2 runways · longest 5,104 ft

04/22
Dimensions
5,104 x 100 ft
Surface
Asphalt (good)
Edge lights
HIGH
RWY 0436°T
ILSILS
Approach lightsMALSR
VGSIPAPI (P4L)
Traffic patternLeft
RWY 22216°T
REILYes
VGSIPAPI (P4L)
Traffic patternLeft
10/28
Dimensions
4,000 x 75 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 1095°T
REILYes
VGSIPAPI (P4L)
Traffic patternLeft
RWY 28275°T
REILYes
VGSIPAPI (P4L)
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

St Clair County International Airport is in Port Huron, Michigan. Field elevation 650 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerCATHERINE FIORE
Manager phone810-364-6890
AttendedDaily, 0800–1700
CHARTS & AIRSPACE
ICAO / IATAKPHN / PHN
SectionalDETROIT
Center (ARTCC)CLEVELAND
Flight service (AFSS)LANSING
CustomsAirport of entry
RegionMichigan
CountryUnited States
Coordinates42.9110, -82.5289
Distance from city5 NM SW
SERVICES & LIGHTING
FuelJet A+
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF123.050
UNICOM123.050
FREQUENCIES

Communications

119.6
SELFRIDGE APP/DEP
A/D
118.375
AWOS 3
AWOS
123.05
CTAF/UNICOM
UNIC
123.050
CTAF
CTAF
123.050
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRPORT REMARKS

Operational remarks

DEER & LRG BIRDS ON & INVOF ARPT.
UNATNDD MAJOR HOLS.
COML & CORPORATE LDG FEE WAIVED WITH FUEL PURCHASE.
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.
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.
FREQUENTLY ASKED
Does KPHN have a METAR?
Yes. KPHN is a METAR-reporting station; the current observation loads live on this page.
Does KPHN have a TAF?
When KPHN issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KPHN?
KPHN sits at 650 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KPHN?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.