31D
Inter County Airport
Irwin, PennsylvaniaElevation 1,250 ftSmall airport
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Runway detail & declared distances
E/W
RWY E
Traffic patternLeft
RWY W
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
Inter County Airport is in Irwin, Pennsylvania. Field elevation 1,250 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.
OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSmall airport
ManagerPAMELA EYLER
Manager phone412-751-9009
AttendedIREG
CHARTS & AIRSPACE
ICAO / IATA31D
SectionalDETROIT
Center (ARTCC)CLEVELAND
Flight service (AFSS)ALTOONA
RegionPennsylvania
CountryUnited States
Coordinates40.3312, -79.7802
Distance from city4 NM W
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.900
FREQUENCIES
Communications
122.900
CTAF
CTAF
Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.
AIRPORT REMARKS
Operational remarks
›TURF RUNWAY MAY BE SOFT DURING SPRING THAW AND WET PERIODS. CALL FOR CURRENT RUNWAY CONDITIONS.
›MARKED WATER TANK APRXLY NINE TENTHS OF A MI EAST OF ARPT, UNMARKED CELL TOWER NEAR WATER TANK & MARKED TRANSMISSION LINE APRXLY 1460 FT EAST OF ARPT.
›ULTRALIGHT ACTIVITY ON & INVOF ARPT.
›DEER ON AND IN VICINITY OF AIRPORT.
›FENCE APRXLY 4 FT HIGH ALONG SOUTH SIDE OF RY "W" AND EXTDS APRXLY 500 FT INTO THE APRCH SURFACE.
›RWY E/W 275 FT UNMARKED SAFETY AREA WEST END; 225 FT UNMARKED SAFETY AREA EAST END .
›RWY E/W WIDTH VARIES 118-178 FT.
›FOR CD CTC PITTSBURGH APCH AT 412-472-5591
›AIRPORT MANAGER ALTERNATE NUMBER 724-989-6560
›DOGLEG IN RY APRXLY 15 DEGS.
›RY E/W 235 FT UNMKD SAFETY AREA WEST END; 281 FT UNMKD SAFETY AREA EAST END.
›RY E/W WIDTH VARIES 120-275 FT.
›RY E MKD WITH YELLOW CONES.
›RY W MKD WITH YELLOW CONES.
›CTLNG OBSTN EXCEEDS A 45 DEG SLP.
›TIE DOWN ROPES ARE NOT SUPPLIED.
›VFR OPNS ONLY
FREQUENTLY ASKED
Does 31D have a METAR?
No on-field METAR is issued for 31D. This page uses the nearest reporting station as a reference.
Does 31D have a TAF?
No TAF is issued directly for 31D. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 31D?
31D sits at 1,250 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 31D?
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.