Airports / Michigan / PHN
St Clair County International Airport.
Port Huron, Michigan · 650 ft elevation. A private-aviation gateway on the Bravo register.
4.7/5
Google rating
12 ratings
0
Operators based
650
Elevation ft
Google rating
Google reviews
FBOs on field
Field elevation
Nearest alternate
Field standing
#13 / 47
Michigan airports by Google rating
4.7★ across 12 Google ratings , ranked against 47 rated MI fields.
11 nm
To the nearest alternate
Chris Hadfield Airport (YZR), 5 fields within 50 nm.
Overview
St Clair County International Airport, listed as KPHN / PHN, is a general aviation field in Port Huron, Michigan. The airport sits 650 feet above sea level. With no scheduled airline service, it caters to private, charter, and general aviation traffic.
No charter operator is headquartered on the field, but operators routinely position aircraft into PHN for departures. When weather or ramp space demands it, nearby options are Chris Hadfield Airport (YZR, 11 nm), Selfridge Air National Guard Base Airport (MTC, 22 nm), and Coleman A. Young Municipal Airport (DET, 37 nm). With 2 runways, the longest 5,104-foot paved runway, PHN can typically accommodate aircraft as large as super-midsize jets.
Charter pricing from PHN depends on aircraft category, positioning distance, and trip timing. Compare rated operators or run a route through the cost estimator to gauge pricing from Port Huron.
1 FBO serves KPHN. Run one? Become the preferred FBO
Ramp services
FBOs on the field
St. Clair County International Airport
Your FBO? Claim it, free- Fuel
- Hangar
- Daily 07:00-17:00; 24-hr self-serve AVGAS; after-hours callout available with fees
- Unicom 123.05
- Customs
- Wi-Fi
- Car rental
- Taxi
- Restrooms
- Hangar
- Maintenance
- Parking
- +4 more
- Phone
- Website
- Address
Directory data, unpaid. FBOs can take the Preferred slot above.
Field capability
ICAO
KPHN
IATA
PHN
FAA / Local
PHN
Elevation
650 ft
Coordinates
42.9110° N · 82.5289° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Small
Scheduled svc
No
Elevation vs MI fields
state range 580–1,328 ft
At 650 ft, PHN sits lower than 70% of the 66 Michigan fields on the register.
Runways & aircraft access
2 runways
longest 5,104 ft
- 04/225,104 ft × 100 ftAsphaltLighted
- 10/284,000 ft × 75 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 5,104 ft
PHN's 5,104 ft paved runway typically supports charter aircraft up to super-midsize jets.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 11nmYZRChris Hadfield AirportSarnia
- 22nmMTCSelfridge Air National Guard Base AirportMount Clemens
- 37nmDETColeman A. Young Municipal AirportDetroit
- 42nmPTKOakland County International AirportPontiac
- 43nmYQGWindsor International AirportWindsor
- 50nmYCECentralia / James T. Field Memorial AerodromeHuron Park
Location
Open the full mapKPHN · St Clair County International Airport · Port Huron, MI
Flight times from here
Approximate nonstop block times from PHN on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Chicago (ORD) | 245 nm | 58m |
| Washington DC (IAD) | 331 nm | 1h 10m |
| New York (TEB) | 398 nm | 1h 20m |
| Nashville (BNA) | 450 nm | 1h 27m |
| Boston (BED) | 496 nm | 1h 33m |
| Dallas (DAL) | 906 nm | 2h 30m |
| Palm Beach (PBI) | 982 nm | 2h 41m |
| Houston (HOU) | 1,005 nm | 2h 44m |
Common questions
- What size private jets can use PHN?
- St Clair County International Airport's longest paved runway is 5,104 ft, which typically supports charter aircraft up to super-midsize jets. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at PHN?
- St Clair County International Airport has 2 runways; the longest measures 5,104 ft on a paved surface and is lit for night operations.
- Which FBOs are at St Clair County International Airport?
- One FBO serves PHN: St. Clair County International Airport. Phone, website, hours, unicom and services for each are listed on this page. Call ahead for fuel, ramp space, and ground handling.
- What is the nearest major airport to PHN?
- The closest alternate is Chris Hadfield Airport (YZR), about 11 nm away, followed by Selfridge Air National Guard Base Airport (MTC) at 22 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from PHN to major cities?
- Typical block times on a midsize jet: Chicago about 58m (245 nm), Washington DC about 1h 10m (331 nm), New York about 1h 20m (398 nm). Faster classes trim these times; add positioning and taxi for the real schedule.