AirportLookupSim Database

Reference only — not for real-world navigation.

KATW

Appleton International Airport · Appleton

Key Facts

Essential technical summary for MSFS 2020/2024 and X-Plane.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅

Field Elevation

918 ft / 280 m

Transition Altitude

18,000 ft

Primary Channel

TWR 119.60 MHz (APPLETON TWR)

Live Conversion

inHg

hPa

Details Runways Frequencies Navaids Nearby

Runway Summary (Quick-Links)

03/21 · 8,002 ft · ConcreteLIGHTED 11/29 · 6,501 ft · ConcreteLIGHTED

Flight Planning

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Welcome to the technical flight briefing for Appleton International Airport (KATW), located in Appleton, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 918 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.

Airport Details

Full geographical and organizational metadata.

Full Name

Appleton International Airport

ICAO / IATA

KATW / ATW

Municipality

Appleton

Country

US — United States

Region

US-WI — Wisconsin

GPS Coordinates

📍 44.258099, -88.519096 🗺️

Transition Altitude

18,000 ft

Elevation

918 ft

Official Website

Wikipedia

Pilot Toolbox

External charts, live tracking and weather reports.

🗺️ SkyVector Charts 📡 FlightAware Live 🌡️ Live METAR 🌦️ TAF Forecast 🌍 Satellite View

Runways & ILS Approach Data

Detailed dimensions and instrument landing frequencies.

Runway 03 / 21

ILS EQUIPPEDLIGHTED

Runway Length: 8,002 ft / 2,439 m
Runway Width: 150 ft / 46 m
Surface Type: Concrete
Heading: 26° / 206°

RWY 03 (26°)

109.10 MHz

IDENT: ATW | CRS: 28°

RWY 21 (206°)

No ILS / Visual Only

Runway 11 / 29

LIGHTED

Runway Length: 6,501 ft / 1,982 m
Runway Width: 150 ft / 46 m
Surface Type: Concrete
Heading: 116.2° / 296.2°

RWY 11 (116.2°)

No ILS / Visual Only

RWY 29 (296.2°)

No ILS / Visual Only

Nearby Navaids

Ground-based navigation aids (VOR, NDB, DME) in the vicinity or associated with this airport.

AQ · NDB (Kooky)407 kHz

44.215900, -88.399002 · 753 ft

AT · NDB (Gamie)230 kHz

44.162399, -88.584900 · 0 ft

OSH · VORTAC (Oshkosh)111,800 kHz

43.990398, -88.555901 · 780 ft

GR · NDB (Famis)356 kHz

44.440498, -88.239601 · 0 ft

SG · NDB (Depre)332 kHz

44.398499, -88.132896 · 637 ft

Communication Frequencies

Air traffic control and advisory channels.

A/D GREEN BAY APP/DEP

126.30 MHz

ATIS ATIS

127.15 MHz

CTAF CTAF

119.60 MHz

GND APPLETON GND

121.70 MHz

TWR APPLETON TWR

119.60 MHz

UNIC UNICOM

122.95 MHz

Nearby Airports

Alternative airports in the vicinity (km & nm).

Wittman Regional Airport

Austin Straubel International Airport

Central Wisconsin Airport

Wausau Downtown Airport

Dane County Regional Truax Field

Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026