Wittman Regional Airport

OSH · KOSH · Oshkosh, WI · 808 ft elevation · var 3W · Towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

ICAO / IATA: KOSH / OSH
Coordinates: 43.9844, -88.5570
Elevation: 808 ft MSL
Magnetic variation: 3W
Sectional chart: CHICAGO
Airport use: Public
Control tower: Yes
Tower hours: 16 MAR-31 OCT 0600-2200, 1 NOV-15 MAR 0600-2100
Airspace: Class D · CLASS D SVC 16 MAR-31 OCT 0600-2200, 1 NOV-15 MAR 0600-2100; OTHER TIMES CLASS G
Weather station: ASOS · 125.9 · ☎ 920-426-1644
ARTCC: CHICAGO (ZAU)
Flight service (FSS): GREEN BAY
NOTAM facility: OSH
Attendance: MON-FRI 0700-1900; SAT-SUN 0800-1700
Beacon: white-green (SS-SR)
Segmented circle: No
Wind indicator: lighted
Access: Military landing rights
Activated: 1937/10
Distance from city: 2 S

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	04:35 AM	09:35Z
Sunrise	05:11 AM	10:11Z
Sunset	08:41 PM	01:41Z
Evening civil twilight Loggable night begins	09:17 PM	02:17Z

Loggable night (§1.1)

09:17 PM → 04:35 AM

Night currency (§61.57)

09:41 PM → 04:11 AM

Plan a flight from KOSH

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

Night operations

Airport lighting: SEE RMK
Rotating beacon: white-green · SS-SR
Pilot-controlled lighting: WHEN ATCT CLSD, ACTVT MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36 - CTAF. HIRL 18/36 PRESET ON LOW INTST SS-SR, TO INCR INTST & ACTVT - CTAF. PAPI RWY 09, 27, 18 & 36 OPR CONSLY. on 118.5 — Chart Supplement ↗

Runway lighting aids — 09: 4-light PAPI (left) · 27: 4-light PAPI (left) · 18: 4-light PAPI (left) · 36: 4-light PAPI (left) + MALSR.

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 05 · 048°
Pattern: left (turns left)
TPA: 1,800 ft MSL (≈1,000 AGL)
CTAF: 118.5

Enter the left downwind for Rwy 05 at 1,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 05/23

3,424 ft × 75 ft · Asphalt (Fair)

Heading: 048° mag · 45° true
Threshold elev: 790 ft
Markings: basic
Traffic pattern: Left
TDZ elevation: 790 ft

Heading: 228° mag · 225° true
Threshold elev: 775 ft
Markings: basic
Traffic pattern: Left
Approach obstacle: Rr, 21 ft, 500 ft from threshold, 155 ft L of centerline — 14:1 slope to clear · penetrates the 20:1 visual approach surface
TDZ elevation: 788 ft

Runway 09/27

6,179 ft × 150 ft · Concrete (Good)

Edge lights: High. Surface: Grooved. Weight bearing: Single wheel 75k, Double wheel 125k, Dual tandem 185k.

Heading: 094° mag · 91° true
Threshold elev: 798 ft
Markings: nonprecision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left
Threshold crossing height: 50 ft
TDZ elevation: 798 ft
Declared TORA/TODA/ASDA/LDA: 6,179 / 6,179 / 5,648 / 5,648 ft

Heading: 274° mag · 271° true
Threshold elev: 776 ft
Markings: nonprecision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left
Approach obstacle: Tree, 37 ft, 720 ft from threshold, 150 ft R of centerline — 14:1 slope to clear · penetrates the 20:1 visual approach surface
Threshold crossing height: 47 ft
TDZ elevation: 786 ft
Declared TORA/TODA/ASDA/LDA: 6,179 / 6,179 / 6,179 / 5,648 ft
End lights: REIL
Displaced threshold: 531 ft

Runway 13/31

3,061 ft × 75 ft · Asphalt (Fair)

Heading: 132° mag · 129° true
Threshold elev: 782 ft
Markings: basic
Traffic pattern: Left
TDZ elevation: 784 ft

Heading: 312° mag · 309° true
Threshold elev: 781 ft
Markings: basic
Traffic pattern: Left
Approach obstacle: Road, 15 ft, 217 ft from threshold, 127 ft R of centerline — 1:1 slope to clear · penetrates the 20:1 visual approach surface
TDZ elevation: 784 ft

Runway 18/36

8,002 ft × 150 ft · Concrete (Good)

Edge lights: High. Surface: Grooved. Weight bearing: Single wheel 65k, Double wheel 85k, Dual tandem 130k.

Heading: 184° mag · 181° true
Threshold elev: 790 ft
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left
Approach obstacle: Ant, 15 ft, 550 ft from threshold, 250 ft L of centerline — 23:1 slope to clear
Threshold crossing height: 47 ft
TDZ elevation: 794 ft
End lights: REIL

Heading: 004° mag · 1° true
Threshold elev: 808 ft
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Approach lights: MALSR
Instrument landing: ILS · CAT I · LOC 110.5 (OSH) · GS 3.00°
Traffic pattern: Left
Approach obstacle: Trees, 61 ft, 3,000 ft from threshold, 185 ft L of centerline — 45:1 slope to clear
Threshold crossing height: 52 ft
TDZ elevation: 809 ft

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
05/23	3,424 ft
09/27	6,179 ft
13/31	3,061 ft
18/36	8,002 ft

Communication frequencies

Tower & ground · “Oshkosh”

ATIS	125.9
Ground	132.3
Tower	118.5
CTAF	118.5
UNICOM	122.95
Flight service	122.1R · 122.3
Emergency	121.5

Approach & departure · “Milwaukee”

App/Dep	127.0

ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).

By procedure & sector (3 frequencies)

Frequency	Used by
243.0	EMERG
263.075	APCH/P DEP/P
290.9	LCL/P

Source: FAA NASR (current 28-day cycle).

Instrument landing systems

Runway	ILS
RWY 36	ILS · CAT I · LOC 110.5 (OSH) · GS 3.00°

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
OSH · Oshkosh	VORTAC	111.80	r186° / 0.4 NM
FAH · Falls	VOR-DME	110.00	r295° / 33.3 NM
GRB · Green Bay	VORTAC	115.50	r204° / 37.6 NM
BJB · West Bend	VOR	109.80	r332° / 38.6 NM
MTW · Manitowoc	VOR-DME	111.00	r259° / 38.8 NM

Airport diagram

Open PDF ↗

Preview diagram

Procedures at a glance

⚠ Hot spots published at this airport — review the hot-spot chart before you taxi ↗

Lowest mins: ILS · vertical guidance Takeoff mins / ODP ↗ Non-std alternate mins ↗

Approaches10

Minimums & Hot Spots

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open KOSH on the VFR sectional (SkyVector) ↗

Services

Fuel available: 100LL, Jet A (additive)
Bottled oxygen: NONE
Bulk oxygen: HIGH/LOW
Airframe service: MAJOR
Powerplant service: MAJOR
Parking: tiedowns, hangars
Other services: Air freight, Avionics, Cargo, Charter, Instruction, Rental, Aircraft sales

Ownership & management

Owner

WINNEBAGO COUNTY

415 JACKSON ST, OSHKOSH, WI

920-236-4930

Manager

JAMES SCHELL

525 W 20TH AVE, OSHKOSH, WI

920-236-4930

Remarks FAA

BIRDS ON & INVOF ARPT.
RWYS 13/31, 05/23 & TWYS C, H, P NOT AVBL TO ACFT WITH MORE THAN 30 PSGR SEATS.
RY 23 & RY 27 APCH ENDS ARE CLOSELY ALIGNED. VERIFY CORRECT RY AND COMPASS HEADING PRIOR TO DEP.
FOR CD IF UNA TO CTC ON FSS FREQ, CTC CHICAGO ARTCC AT 630-906-8921.
SFC CONDS NOT MONTRD BTWN 2200 - 0500 HRS.
WHEN ATCT CLSD, ACTVT MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36 - CTAF. HIRL 18/36 PRESET ON LOW INTST SS-SR, TO INCR INTST & ACTVT - CTAF. PAPI RWY 09, 27, 18 & 36 OPR CONSLY.
JSCHELL@WINNEBAGOCOUNTYWI.GOV.
A+ AND 100LL AVBL FOR FEE AFTER HRS, 920-236-7827.
MAXIMUM WEIGHT BEARING CAPACITY FOR ANY ACFT IS 50000 LBS.
MAXIMUM WEIGHT BEARING CAPACITY FOR ANY ACFT IS 50000 LBS.
APCH RATIO 34:1 TO DTHR.

Nearby airports

WS17 · Pioneer AirportPrivate (1 NM)51WI · Gallinger AirportPrivate (5 NM)2WN7 · Planeacres AirportPrivate (5 NM)WI46 · Fun-Air AirportPrivate (6 NM)1WI1 · Williams Airport (7 NM)2WN8 · Oshkosh Sky Ranch Airport (7 NM)

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KOSH in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

About KOSH

Wittman Regional Airport (OSH · KOSH) is an airport in Oshkosh, WI, at 808 ft MSL. It has 4 runways, the longest 8,002 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KOSH, refreshed from the Aviation Weather Center and FAA NASR.

Does KOSH have a control tower?

Yes. Wittman Regional Airport has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.

What is the longest runway at KOSH?

Wittman Regional Airport has 4 runways; the longest is 8,002 ft. See the Runways tab for headings, surface, and lighting.

Where is KOSH?

Wittman Regional Airport is in Oshkosh, WI, at an elevation of 808 ft MSL. Coordinates: 43.9844, -88.5570.

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