Reference only — not for real-world navigation.
KAPN
Alpena County Regional Airport · Alpena
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
690 ft / 210 m
Transition Altitude
18,000 ft
Primary Channel
TWR 121.35 MHz (TWR)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Alpena County Regional Airport (KAPN), located in Alpena, 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 690 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.
Full Name
Alpena County Regional Airport
ICAO / IATA
KAPN / APN
Municipality
Alpena
Country
Region
US-MI — Michigan
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
690 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 01 / 19
ILS EQUIPPEDLIGHTED
Runway Length: 9,001 ft / 2,744 m
Runway Width: 150 ft / 46 m
Surface Type: Concrete
Heading: 359.8° / 179.8°
Runway Width: 150 ft / 46 m
Surface Type: Concrete
Heading: 359.8° / 179.8°
RWY 01 (359.8°)
109.70 MHz
IDENT: APN | CRS: 7°
RWY 19 (179.8°)
No ILS / Visual Only
Runway 07 / 25
LIGHTED
Runway Length: 5,031 ft / 1,533 m
Runway Width: 100 ft / 30 m
Surface Type: Concrete
Heading: 59.8° / 239.8°
Runway Width: 100 ft / 30 m
Surface Type: Concrete
Heading: 59.8° / 239.8°
RWY 07 (59.8°)
No ILS / Visual Only
RWY 25 (239.8°)
No ILS / Visual Only
A/D APP/DEP
128.43 MHz
ASOS ASOS
120.67 MHz
CTAF CTAF
121.35 MHz
GND GND
121.90 MHz
PTD PTD
37.22 MHz
RDO LANSING RDO
108.80 MHz
TWR TWR
121.35 MHz
UNIC UNICOM
122.95 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026