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KOSH · Wittman Regional Airport

ICAO · US · 114 NTSB events

ID KOSH FAA OSH Elev 808 ft Lat 43° 59.06' N Lon 88° 33.42' W Zulu …

Live conditions

METAR

fetching…

Wind / Visibility

—

Density altitude (now)

—

Decode in METAR tool TAF on AWC ↗ NOTAMs ↗

Aerial view

No FAA diagram published

Imagery © Esri, Maxar, Earthstar Geographics, USDA FSA

Runways

8 runway ends on file. Longest: 8,002 ft. Max gradient: 0.44%

Designator Heading Length Width Surface Lighting Gradient
18 180.5° 8,002 ft 150 ft Concrete Yes 0.23%
36 0.5° 8,002 ft 150 ft Concrete Yes 0.23%
09 091° 6,179 ft 150 ft ASP Yes 0.35%
27 271° 6,179 ft 150 ft ASP Yes 0.35%
05 045° 3,424 ft 75 ft ASP No 0.44%
23 225° 3,424 ft 75 ft ASP No 0.44%
13 129.4° 3,061 ft 75 ft ASP No 0.02%
31 309.4° 3,061 ft 75 ft ASP No 0.02%

Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).

Communications · 7 frequencies

  • ATIS ATIS 125.900
  • GND GND 121.900
  • TWR OSHKOSH TWR 118.500
  • CTAF CTAF 118.500
  • CNTR CHICAGO CNTR 127.000
  • RDO GREEN BAY RDO 122.250
  • UNIC UNICOM 122.950

Live ATC audio (streaming + archived): Open KOSH on LiveATC ↗

  • NDB OS

    Pober

    0.40 MHz · TERMINAL · LOW

  • VORTAC OSH

    Oshkosh

    111.80 MHz · DME 111.80 · LO · MEDIUM

Chart Supplement remarks, plain English · 2 matched · 11 not yet translated

Translations anchored to the FAA text; the raw FAA text is authoritative.

TL;DR

  • ·Pilot-controlled lighting: click mic 7 times on the CTAF to activate MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36. Lights stay on 15 minutes — click again to refresh.
  • ·Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

Watch for

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36. Lights stay on 15 minutes — click again to refresh.

    pcl ctaf

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    wildlife hazard

All translated remarks (2)

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36. Lights stay on 15 minutes — click again to refresh.

    Raw FAA text · airport remarks · operational

    ACTVT MALSR RWY 36; REIL RWY 18 & 27; HIRL RWY 09/27 & 18/36 - CTAF

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    Raw FAA text · airport remarks · operational

    BIRDS ON & INVOF ARPT.

Not yet translated · raw FAA text (11 sentences)
  • ·FOR CD IF UNA TO CTC ON FSS FREQ, CTC CHICAGO ARTCC AT 630-906-8921.
  • ·SFC CONDS NOT MONTRD BTWN 2200 - 0500 HRS.
  • ·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.
  • ·[email protected].
  • ·MAXIMUM WEIGHT BEARING CAPACITY FOR ANY ACFT IS 50000 LBS.
  • ·MAXIMUM WEIGHT BEARING CAPACITY FOR ANY ACFT IS 50000 LBS.
  • ·A+ AND 100LL AVBL FOR FEE AFTER HRS, 920-236-7827.
  • ·HIRL 18/36 PRESET ON LOW INTST SS-SR, TO INCR INTST & ACTVT - CTAF.
  • ·PAPI RWY 09, 27, 18 & 36 OPR CONSLY.

Field profile

Use

Public-use

Ownership

Public

Scheduled service

No

IATA · OSH Airport website ↗

FAA Chart Supplement

NTSB events

114 NTSB-recorded events on file at this airport — showing the 58 most recent.

Total events

120

since 1982

Fatal

20

16.7% of total

Last 5 years

21

≈ 4.2/yr

Last 10 years

31

≈ 3.1/yr

Ranking across all airports · Open in accident map ↗

Operations volume

FAA TAF · history through 2024

2005 2024

Peak: 115,288 ops in 2002

2024 total

77,384

10-yr total

698,209

2024 mix

AC/AT 3% · GA 97% · Mil 0%

Events / million ops

44.4

last 10 years

Fatal / million ops

7.40

approximate · 10-yr scaled

Last 10 years · n=28

  • Loss of control 9
  • Gear-up landing 6
  • Stall / spin 5
  • Hard landing 4
  • Ground collision 2
  • Midair / near-midair 1
  • Other 1

All time · n=114

  • Stall / spin 28
  • Other 28
  • Loss of control 15
  • Ground collision 12
  • Hard landing 9
  • Gear-up landing 7
  • Engine failure / power loss 6
  • Fuel exhaustion / starvation 3

Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.

Date Aircraft · Classification · Wx Sev
2025-07-22 Dyke Delta JD-2 · Gear-up · day →
2023-07-20 Vans RV-10 · Hard landing · VMC · day →
2014-08-01 MOSQUITO XE · Other · VMC · day →
2012-08-07 WILLIAMS JOHN T-51 MUSTANG · Stall / spin · VMC · day →
2011-06-29 Keesler W8 Tailwind · Engine failure · VMC · day →
2008-07-31 MOSER GEORG LANCAIR LEGACY FG · Stall / spin · day →
2008-07-30 Piper PA-22 · Stall / spin · day →
2003-01-14 Robinson R22B · Loss of control · VMC · night →
2025-07-21 Ravin 500 · Gear-up · VMC · day →
2025-07-20 Questair Venture · Gear-up · VMC · day →
2025-07-18 Piper PA-20 · Loss of control · day →
2024-08-27 Esqual VM1 · Other · VMC · day →
2024-07-26 DIAMOND AIRCRAFT IND GMBH DA 42 NG · Hard landing · VMC · day →
2024-07-25 CANADIAN CAR & FOUNDRY HARVARD MK IV · Loss of control · day →
2024-07-22 Lancair ES · Stall / spin · VMC · day →
2024-07-20 Just Highlander · Hard landing · day →
2023-07-29 North American AT-6D · Stall / spin · VMC · day →
2023-07-29 Rotorway,ELA ECLIPSE 162F,10 · Midair / near-midair · VMC · day →
2023-07-25 Heath V-Strut · Stall / spin · VMC · day →
2022-07-28 MESCHLER GARY R,HOLLIER B C RV-4,VANS RV-8 · Ground collision · VMC · day →
2022-07-24 Cessna L-19E · Loss of control · IMC · day →
2022-07-24 Cessna T310R · Loss of control · IMC · day →
2022-07-23 WACO CLASSIC AIRCRAFT YMF-5C · Loss of control · VMC · day →
2022-07-22 Cessna 180J · Loss of control · VMC · day →
2021-07-30 WEISS DENIS Sparrow II · Loss of control · VMC · day →
2021-07-23 Driver,GRAY RV-7,RV-8 · Ground collision · VMC · day →
2021-02-27 Piper PA-23 · Gear-up · VMC · day →
2019-07-24 North American AT 6F · Loss of control · day →
2019-07-20 Vans RV-8 · Hard landing · day →
2018-07-26 Fisher DAKATO HAWK · Gear-up · VMC · day →
2018-07-24 Just JA30 SUPERSTOL · Stall / spin · VMC · day →
2018-07-23 Quad City Challenger · Stall / spin · day →
2018-03-09 Beech 76 · Gear-up · VMC · day →
2017-07-28 MARK GOLDBERG BEARHAWK PATROL · Loss of control · VMC · day →
2016-07-30 BOAM LARRY RANS S 7 · CFIT · VMC · day →
2016-07-30 Bell 47G 2 · Hard landing · day →
2016-07-24 BRISTELL E-LSA · Stall / spin · VMC · day →
2015-07-22 Piper PA-46-310P · Stall / spin · VMC · day →
2014-07-31 ZIMMERMAN BREEZY · Ground collision · VMC · day →
2013-07-28 PHELPS KITFOX III · Fuel exhaustion · day →
2013-02-02 Champion 7GCAA · Other · VMC · day →
2012-08-01 Cessna 172S · Loss of control · VMC · night →
2012-07-26 AMERICAN CHAMPION AIRCRAFT 8KCAB · Stall / spin · VMC · day →
2012-07-21 Mooney M20J · Loss of control · VMC · day →
2012-07-01 WILKINSON LORIN L HATZ XB-II · Loss of control · VMC · day →
2011-07-27 Cessna 195 · Other · VMC · day →
2011-07-25 GOTTSCHALK JOHN R JOHN 1 · Hard landing · VMC · day →
2010-07-27 Hawker Beechcraft 390 · Stall / spin · VMC · day →
2010-07-19 Nord 3202 · Loss of control · VMC · day →
2009-08-02 GALLAGHER Junior Ace · Other · VMC · day →
2009-07-30 P&M AVIATION LTD Quik GT450 · Other · VMC · day →
2009-07-25 PILGRIM SAMUEL W JR RV-6 · Gear-up · VMC · day →
2008-07-27 BOLENBAUGH PHILLIP WILLIAM RANS S-6ES · Hard landing · VMC · day →
2007-07-27 Beck,North American P-51A,P-51D · Ground collision · day →
2006-07-30 Grumman,Vans Aircraft TBM-3,RV-6 · Ground collision · VMC · day →
2006-07-23 Shaw Europa XS · Stall / spin · day →
2005-07-29 Wilson Acrolite 1T · Engine failure · day →
2003-08-02 Gerlach Skyraider II · Stall / spin · VMC · day →

+ 56 more on file

Designees in WI

CFI Flight Instructors 1,220 A&P Mechanics 3,071 AME Medical Examiners (AME) 36 DME Mechanic Examiners (DME) 3 DAR-F Manufacturing Airworthiness (DAR-F) 5 DAR-T Maintenance Airworthiness (DAR-T) 3 DER-Y Engineering — Company (DER-Y) 3 DER-T Engineering — Consultant (DER-T) 10 SAE Specialty Aircraft Examiners (SAE) 22 Schools Flight Schools 50 FBO Fixed Base Operators 65 Clubs Flying Clubs 29 Repair Repair / Maintenance Shops 8 EAA EAA Chapters 35

DPEs nearby

Distance is city-centroid to airport, a first cut, not the exam location.

Designee City ST Distance
Andrew Wallace Ferguson Oshkosh WI 2 nm
Michael Ford Oshkosh WI 2 nm
Richard Lowell Hanusa Oshkosh WI 2 nm
Sean Eric Elliott Oshkosh WI 2 nm
Marshall David Crandall Menasha WI 15 nm
Karen Kalishek De Pere WI 34 nm
Thomas Bradley Boyer West Bend WI 38 nm
Shane Robert Lehman Clintonville WI 39 nm
Kurt Gross Wisconsin Rapids WI 60 nm
Patrick Hammer Milwaukee WI 61 nm

Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.

CFIs nearby

City-centroid distance; ratings as on the FAA certificate.

Instructor City ST Distance
Paul William Anderson Oshkosh WI 2 nm
John Michael Dorcey Oshkosh WI 2 nm
Timothy Lee Lemke Oshkosh WI 2 nm
Joseph Brian Norris Oshkosh WI 2 nm
Clare Allen Patterson Oshkosh WI 2 nm
Otto John Seifert Oshkosh WI 2 nm
Dennis Wayne Smith Oshkosh WI 2 nm
Frederic Lloyd Stadler Oshkosh WI 2 nm
Sean Eric Elliott Oshkosh WI 2 nm
Tiffany Lynn Skaggs Braun Oshkosh WI 2 nm

Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.

A&P mechanics nearby

City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.

Mechanic City ST Distance
Paul William Anderson Oshkosh WI 2 nm
John Michael Dorcey Oshkosh WI 2 nm
Henry George Frautschy Oshkosh WI 2 nm
John Thomas Monnett Jr Oshkosh WI 2 nm
Joseph Brian Norris Oshkosh WI 2 nm
Clare Allen Patterson Oshkosh WI 2 nm
Dennis Wayne Smith Oshkosh WI 2 nm
Frederic Lloyd Stadler Oshkosh WI 2 nm
Terry Leslie Rushing Oshkosh WI 2 nm
Barney Clark Schmitz Oshkosh WI 2 nm

Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.

Repair stations nearby

By airport location.

Shop Distance
JetGlow Aviation
Oshkosh, WI
 0 nm
Airworthy Aviation Maintenance
Sheboygan Falls, WI
 33 nm
Skycom Avionics, Inc.
Waukesha, WI
 59 nm
Cessna Citation Service Center
Milwaukee, WI
 69 nm
Sunshine Aircraft Repair, Inc.
Kenosha, WI
 88 nm
Mobile Avionics Technologies, Inc.
Lake In The Hills, IL
 107 nm
Aircraft Propeller Service, LLC
Lake Zurich, IL
 109 nm
Avionics Place, Inc
Rockford, IL
 109 nm
West Star Aviation, Inc
Wheeling, IL
 116 nm
The Polished Hare
West Chicago, IL
 125 nm

Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.