Reference only — not for real-world navigation.
KMTN
Martin State Airport · Baltimore
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
21 ft / 6 m
Transition Altitude
18,000 ft
Primary Channel
TWR 121.30 MHz (TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
15/33 · 6,996 ft · ConcreteLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Martin State Airport (KMTN), located in Baltimore, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 21 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
Martin State Airport
ICAO / IATA
KMTN / MTN
Municipality
Baltimore
Country
Region
US-MD — Maryland
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
21 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 15 / 33
ILS EQUIPPEDLIGHTED
Runway Length: 6,996 ft / 2,132 m
Runway Width: 180 ft / 55 m
Surface Type: Concrete
Heading: 135° / 315°
Runway Width: 180 ft / 55 m
Surface Type: Concrete
Heading: 135° / 315°
RWY 15 (135°)
110.70 MHz
IDENT: BQG | CRS: 144°
RWY 33 (315°)
110.70 MHz
IDENT: MTN | CRS: 326°
A/D POTOMAC APP/DEP
119.00 MHz
ATIS ATIS
124.92 MHz
AWOS AWOS 3
124.92 MHz
CLD POTOMAC CLNC DEL
121.80 MHz
CTAF CTAF
121.30 MHz
GND GND
121.80 MHz
OPS 135 AG COMD POST
38.59 MHz
POST 175 FG COMD POST
34.72 MHz
TWR TWR
121.30 MHz
UNIC UNICOM
122.95 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026