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FBO · KPHN ST CLAIR COUNTY INTL

St. Clair County International Airport at Port Huron, Michigan

PORT HURON, MICHIGAN

(810) 364-4187Unicom 123.050WebsiteMon 0700-1700, Tue 0700-1700, Wed 0700-1700, Thu 0700-1700, Fri 0700-1700, Sat 0700-1700, Sun 0700-1700
Live posted pricing
Titan
100LL Avgas
full serve
$6.60
SS $6.00
Jet A
Not posted
—
JET A PRIST
full serve
$5.30
Updated 4/27/2026 · Guaranteed

Services & amenities

Wi-FiRental CarHangarCateringPilot Lounge

All services

  • · Aircraft Ground Service
  • · Airframe/Powerplant Maintenance
  • · Avionics Maintenance
  • · Car Rental
  • · Catering
  • · Ground Transportation
  • · Internet Access
  • · Passenger Terminal/Lounge
  • · Pilot Lounge
  • · Restrooms
  • · Showers
  • · Taxi
  • · Transient Hangars
  • · Transient Parking

About St. Clair County International Airport

St. Clair County International Airport is at KPHN in Port Huron, Michigan. The FBO carries AVGAS 100LL and Jet A. Fuel is available self serve or full serve through Titan.

Pilots can use aircraft ground service, airframe and powerplant maintenance, and avionics maintenance. The field also offers transient parking, transient hangars, and ground transportation. UNICOM is 123.050.

Inside, crews have access to a passenger terminal lounge, pilot lounge, restrooms, showers, internet access, and catering. Car rental is available. Customs is available on site with prior arrangement. Call the FBO directly for current details, after hours service, or trip planning.

This airport supports both local and transient traffic with ground handling, maintenance support, and passenger facilities. Crews can use the pilot lounge, passenger terminal lounge, restrooms, showers, and internet access. Transient parking and transient hangars are available. Catering, car rental, taxi, and ground transportation help with quick turns or overnight stops. Customs is available on site with prior arrangement. After hours service is available with fees that apply. Call the FBO directly for details.

Payment & fees

Accepted payment

VisaMasterCardAmerican ExpressDiscoverCash
Under 7,000lbs there is no landing/handing fees. Customs available on site please arrange prior to trip a 2-hour advanced notice required. After hours services available fees do apply, please call or email FBO for details; airport@stclaircounty.org / 810-364-4187.

Frequently asked questions

What fuel grades does St. Clair County International Airport carry?
It carries AVGAS 100LL and Jet A. Fuel is available self serve or full serve through Titan.
Does the FBO offer maintenance support?
Yes. The airport lists airframe and powerplant maintenance plus avionics maintenance.
What pilot amenities are available at KPHN?
Pilots have access to a pilot lounge, passenger terminal lounge, restrooms, showers, and internet access.
Can I arrange customs at St. Clair County International Airport?
Yes. Customs is available on site. Prior arrangement is required. A 2 hour advance notice is required.
How do I contact the FBO at KPHN?
Call (810) 364-4187. The listed UNICOM is 123.050.
Are there landing or handling fees for light aircraft?
For aircraft under 7,000 pounds, there are no landing or handling fees. For current details, call the FBO directly.
St. Clair County Intl KPHN AVGAS 100LL and Jet A