Reference only — not for real-world navigation.
KMSY
Louis Armstrong New Orleans International Airport · New Orleans
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
4 ft / 1 m
Transition Altitude
18,000 ft
Primary Channel
TWR 119.50 MHz (TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
11/29 · 10,104 ft · PEMLIGHTED02/20 · 7,001 ft · AsphaltLIGHTED06/24 · 3,570 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Louis Armstrong New Orleans International Airport (KMSY), located in New Orleans, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 3 active runways with a maximum elevation of 4 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
Louis Armstrong New Orleans International Airport
ICAO / IATA
KMSY / MSY
Municipality
New Orleans
Country
Region
US-LA — Louisiana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
4 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 11 / 29
ILS EQUIPPEDLIGHTED
Runway Length: 10,104 ft / 3,080 m
Runway Width: 150 ft / 46 m
Surface Type: PEM
Heading: 106° / 286°
Runway Width: 150 ft / 46 m
Surface Type: PEM
Heading: 106° / 286°
RWY 11 (106°)
109.90 MHz
IDENT: MSY | CRS: 106°
RWY 29 (286°)
109.90 MHz
IDENT: HOX | CRS: 286°
Runway 02 / 20
ILS EQUIPPEDLIGHTED
Runway Length: 7,001 ft / 2,134 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 15° / 195°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 15° / 195°
RWY 02 (15°)
111.70 MHz
IDENT: JFI | CRS: 16°
RWY 20 (195°)
111.70 MHz
IDENT: ONW | CRS: 196°
Runway 06 / 24
LIGHTED
Runway Length: 3,570 ft / 1,088 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 60.4° / 240.4°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 60.4° / 240.4°
RWY 06 (60.4°)
No ILS / Visual Only
RWY 24 (240.4°)
No ILS / Visual Only
A/D NEW ORLEANS APP/DEP
123.85 MHz
ATIS ATIS
127.55 MHz
CLD CLNC DEL
127.20 MHz
GND GND
121.90 MHz
TWR TWR
119.50 MHz
UNIC UNICOM
122.95 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026