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KASX

John F Kennedy Memorial Airport · Ashland

Key Facts

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

ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
827 ft / 252 m
Transition Altitude
18,000 ft
Primary Channel
RCO 122.25 MHz (GREEN BAY RDO)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for John F Kennedy Memorial Airport (KASX), located in Ashland, 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 827 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
John F Kennedy Memorial Airport
ICAO / IATA
KASX / ASX
Municipality
Ashland
Country
Region
US-WI — Wisconsin
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
827 ft
Wikipedia

Pilot Toolbox

External charts, live tracking and weather reports.

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Runways & ILS Approach Data

Detailed dimensions and instrument landing frequencies.

Runway 02 / 20
ILS EQUIPPEDLIGHTED
Runway Length: 5,199 ft / 1,585 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 20.7° / 200.7°
RWY 02 (20.7°)
109.30 MHz
IDENT: ASX | CRS: 23°
RWY 20 (200.7°)
No ILS / Visual Only
Runway 13 / 31
LIGHTED
Runway Length: 3,498 ft / 1,066 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 130.6° / 310.6°
RWY 13 (130.6°)
No ILS / Visual Only
RWY 31 (310.6°)
No ILS / Visual Only

Communication Frequencies

Air traffic control and advisory channels.

A/D MINNEAPOLIS APP/DEP
126.45 MHz
ASOS ASOS
126.78 MHz
RCO GREEN BAY RDO
122.25 MHz
UNIC CTAF/UNICOM
122.80 MHz

Nearby Airports

Alternative airports in the vicinity (km & nm).

KHYRILS
Sawyer County Airport
71 km / 38 nm
KDLHILS
Duluth International Airport
103 km / 55 nm
KRHIILS
Rhinelander Oneida County Airport
151 km / 82 nm
KELO
Ely Municipal Airport
158 km / 85 nm
KHIBILS
Range Regional Airport
173 km / 93 nm

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