Freeport, Illinois

KFEP Albertus

Albertus (KFEP) is a non-towered, public-use airport in Freeport, Illinois, at 859 ft MSL. It has 3 runways: 06/24 (5,504 by 100 ft, asphalt), 13/31 (2,285 by 150 ft, turf), 18/36 (2,404 by 150 ft, turf). Published pattern altitude 400 ft AGL (about 1,259 ft MSL). CTAF 122.8.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
ICAO KFEP, FAA FEP
Location
Freeport, Illinois (Stephenson County). 3 NM SE of the city center
Elevation
859 ft MSL
Position
42.2461° N, 89.5820° W
Pattern altitude
400 ft AGL
Control tower
No, non-towered
Sectional chart
Chicago
Magnetic variation
0° E (1995)
Fuel
100LL, Jet A
Ownership
Publicly owned, open to the public
Attendance
MON-FRI 0830-1630; SAT 0900-1600

3 runways

Runways

RunwayLength × widthSurfaceEdge lights
06/245,504 × 100 ftAsphalt, good conditionMedium intensity
13/312,285 × 150 ftTurf, good conditionNot listed
18/362,404 × 150 ftTurf, good conditionNot listed

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
06Left traffic4-light PAPI, leftNone listedNone listedNot listed
24Left traffic4-light PAPI, leftILS/DMENone listedNot listed
13Left trafficNone listedNone listedNone listedNot listed
31Left trafficNone listedNone listedNone listedNot listed
18Left trafficNone listedNone listedNone listedNot listed
36Left trafficNone listedNone listedNone listedNot listed

VHF

Frequencies

CTAF
122.8
UNICOM
122.8
Clearance delivery
121.85
Approach / departure
126.0
"Rockford"

Weather station

AWOS-3 FEP
120.525

Before you go

Brief KFEP in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Albertus, in the app on iPhone and iPad.

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Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.