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ST CLAIR COUNTY INTL - Airport Diagram
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KPHN
ST CLAIR COUNTY INTL
PublicPUB

5 miles SW of PORT HURON, MI
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
42° 54' 39"N 82° 31' 44"W
650' MSL
1650' MSL
07W
JET A (FSII), 100LL
LANSING (LAN)
DETROIT
CLEVELAND (ZOB)
12/25/25-1/22/26
KPHN IFR
7:55 AM EST  
Overcast 900'
7sm
37°F
34°F
29.82"Hg
290° 4kts
AO2
METAR KPHN 071255Z AUTO 29004KT 7SM OVC009 03/01 A2982 RMK AO2
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KPHN FBOs

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St. Clair County International Airport
UNICOM: 123.05
Phone: (810) 364-4187
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Other
As of 12/16/2025
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 6.00
Full Serve 6.60 5.30
Fuel Notes
Prices include tax
Jet-A Prist
Fuel Hours
Fuel services hours 7 a.m. - 5 p.m. EST, 24 hr Avgas self-serve
Volume Discounts
Callout after hours available, service fees apply (810-364-4187).

KPHN Aircraft Service & Maintenance

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Great Lakes Aviation Services LLC
Phone: (810) 364-2181
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123.05 123.05

AWOS-3

AWOS-3
810-364-7787
 118.375

FAA A/FD Pages

Airport Diagrams

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Airport Minimums

Departure Procedures

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Hotspot

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Standard Term. Arrival

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Instrument Approach

Terminal Area Forecast

CYZR (11nm)
Wed, 1/7 3:40 AM EST
Wed, 1/7 4:00 AM EST - Wed, 1/7 4:00 PM EST
IFR
4:00 AM EST - 5:00 AM EST
Light Rain and Drizzle and Mist
Overcast 600'
5sm
260° 5kts
IFR
Temporary 4:00 AM EST - 9:00 AM EST
Overcast 800'
6sm
Calm
IFR
Becoming 5:00 AM EST - 9:00 AM EST
Light Rain and Drizzle and Mist
Overcast 600'
5sm
290° 6kts
IFR
9:00 AM EST - 1:00 PM EST
Light Drizzle and Mist
Overcast 700'
5sm
290° 7kts
MVFR
Temporary 9:00 AM EST - 1:00 PM EST
Overcast 1,000'
6sm
Calm
MVFR
1:00 PM EST - 4:00 PM EST
Overcast 1,200'
6sm
270° 8kts
TAF CYZR 070840Z 0709/0721 26005KT 5SM -RA -DZ BR OVC006
   TEMPO 0709/0714 P6SM NSW OVC008
   BECMG 0710/0712 29006KT
   FM071400 29007KT 5SM -DZ BR OVC007
   TEMPO 0714/0718 P6SM NSW OVC010
   FM071800 27008KT P6SM OVC012 RMK FCST BASED ON AUTO OBS. NXT FCST BY 071400Z
KPHN
EffectiveExpiresCategoryNOTAM
Domestic
1/6/26
2200Z
1/7/26
2200Z
!PHN 01/022 PHN TWY ALL FICON 1/4IN WATER BA MEDIUM TO POOR OBS AT 2601062200. COND NOT MNT 2601062200-2601071300. 2601062200-2601072200
1/6/26
2159Z
1/7/26
2159Z
Runway!PHN 01/021 PHN RWY 10 FICON 2/2/2 100 PCT 1/4IN WATER OBS AT 2601062159. COND NOT MNT 2601062200-2601071300. 2601062159-2601072159
1/6/26
2158Z
1/7/26
2158Z
!PHN 01/020 PHN APRON ALL FICON 1/4IN WATER BA MEDIUM TO POOR OBS AT 2601062158. COND NOT MNT 2601062200-2601071300. 2601062158-2601072158
1/6/26
2158Z
1/7/26
2158Z
Runway!PHN 01/019 PHN RWY 04 FICON 2/2/2 100 PCT 1/4IN WATER OBS AT 2601062158. COND NOT MNT 2601062200-2601071300. 2601062158-2601072158
12/28/25
1721Z
1/31/26
1300Z
!PHN 12/075 PHN AD AP SFC COND NOT REP 2512281721-2601311300
11/13/25
2042Z
5/13/26
2359Z
!PHN 11/016 PHN NAV ILS RWY 04L OM U/S 2511132042-2605132359
11/13/25
2041Z
5/13/26
2359Z
Runway!PHN 11/014 PHN RWY 22 PAPI U/S 2511132041-2605132359
10/31/25
1608Z
4/1/26
2359Z
!PHN 10/007 PHN OBST TOWER LGT (ASR UNKNOWN) 425526.49N0822736.82W (3.5NM E PWKPHN) 872FT (275FT AGL) U/S 2510311608-2604012359
10/28/25
1605Z
5/31/26
2359Z
Runway!PHN 10/006 PHN RWY 10 PAPI U/S 2510281605-2605312359
No
0800-1700
UNATNDD MAJOR HOLS.
SAINT CLAIR COUNTY
201 MCMORRAN BLVD
PORT HURON, MI 48060-4006
Phone: 810-364-6890
CATHERINE FIORE
177 ASH DR
KIMBALL, MI 48074-4403
Phone: 810-364-6890
LANSING FSS (LAN)
Toll Free: 1-800-WX-BRIEF
PHN
--
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.
N/A
Yes - Lighted
Yes
Yes
Hanger, Tie-Down
NOT a Landing Rights Airport
Airport of Entry
Major
Major
None
None
None

Runway 04/22

5104 ft. x 100 ft.
ASPH  
Good 
GRVD 
HIGH 
 
40,000lbs 
55,000lbs 
90,000lbs 
-- 
  Runway 04 Runway 22
True Heading 36°216°
Traffic Pattern Left Left
Markings PIR PIR
Markings Condition GOOD GOOD
Latitude 42° 54' 17"N 42° 54' 57"N
Longitude 82° 32' 07"W 82° 31' 27"W
Elevation 640' 650'
Threshold Crossing Height 50 ft. AGL 45 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L P4L
Approach Lights MALSR
Centerline Lights No No
Runway End Identifier Lights No Yes

Runway 10/28

4000 ft. x 75 ft.
ASPH  
Good 
NONE 
MED 
 
16,000lbs 
-- 
-- 
-- 
  Runway 10 Runway 28
True Heading 95°275°
Traffic Pattern Left Left
Markings NPI NPI
Markings Condition FAIR FAIR
Latitude 42° 54' 44"N 42° 54' 41"N
Longitude 82° 32' 07"W 82° 31' 13"W
Elevation 643' 650'
Threshold Crossing Height 26 ft. AGL 33 ft. AGL
Visual Glide Path Angle 3° 3.5°
Visual Slope Indicator P4L P4L
Approach Lights
Centerline Lights No No
Runway End Identifier Lights Yes Yes
A110-1DEER & LRG BIRDS ON & INVOF ARPT.
A110-5TSATLC 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.
A110-7FOR CD CTC SELFRIDGE APCH AT 586-239-5706, WHEN APCH CLSD CTC CLEVELAND ARTCC AT 440-774-0224/0490.
ST CLAIR COUNTY INTL (ICAO: KPHN, IATA: PHN) is a public airport located in PORT HURON, MI.