St Clair County International Airport

IATA PHNICAO KPHNSmall airfield

St Clair County International Airport is a small airfield near Port Huron in Michigan, United States. It is listed as IATA PHN and ICAO KPHN. The airport is located at 42.9110° / -82.5289° at an elevation of 198 m (650 ft). There are 2 runways, the longest measuring 1,556 m. The nearest airport is Johnson Field, 4.7 km (3 mi) away. No scheduled service is recorded for this airfield.

Symbolic aviation imagery (AI-generated) – not a photo of this specific airport.

Map detail of St Clair County International Airport with runways — Close-up with runways

World map showing the position of St Clair County International Airport — Overview map

Data

Data
IATA code	`PHN`
ICAO code	`KPHN`
Local code	`PHN`
Identifier	`KPHN`
Type	Small airfield
City	Port Huron
Region	Michigan
Country	United States
Coordinates	42.91100, -82.52890
Coordinates (deg/min/sec)	42° 54′ 39.60″ N 82° 31′ 44.04″ W
Elevation	198 m (650 ft)
Scheduled service	no

Travel gear that fits

Automatically selected recommendations for a trip to St Clair County International Airport – based on climate, location and airport type.

Travel adapter A/B
The destination uses socket types A/B at 120 V – the right adapter keeps everything charged.
View on Amazon
Travel guide United States
Background on the country and its people around United States – for after you land.
View on Amazon
Packable rain jacket
Changeable weather at your destination – windproof, water-repellent and packs down small.
View on Amazon
Spotting binoculars
Identify registrations and types from the fence – bright and handy.
View on Amazon
Carry-on trolley
Hard-shell case in standard cabin size – fits the overhead bins of most scheduled flights.
View on Amazon
Compression socks
Relieve your legs on long-haul flights and long periods of sitting.
View on Amazon