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KMSY

MSY

Louis Armstrong New Orleans International Airport · New Orleans

Key Facts

Technical summary and operational standards.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅

Field Elevation

4 ft / 1 m

Transition Altitude

18,000 ft

Primary Channel

TWR 119.50 MHz (TWR)

Runway Summary

11/2910,104 ftPEMLIGHTED

02/207,001 ftAsphaltLIGHTED

06/243,570 ftAsphaltLIGHTED

Details Runways Frequencies Navaids Nearby

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

SkyVector FlightAware Live METAR Satellite

Less math, more flying. Did this save your approach? 🛬

Briefing for Louis Armstrong New Orleans International Airport (KMSY), United States. This facility features 3 active runways with an elevation of 4 ft. Verified ILS frequencies are available for precision approaches.Maintain a Transition Altitude of 18,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name

Louis Armstrong New Orleans International Airport

ICAO / IATA

KMSY / MSY

Municipality

New Orleans

Country

Region

US-LA

GPS Coordinates

29.993401, -90.258003

Transition Altitude

18,000 ft

Official Website

Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 11 / 29

ILSLIGHTED

Crosswind 11 Crosswind 29 TOD VDP

Length: 10,104 ft / 3,080 m
Surface: PEM
Heading: 106° / 286°

RWY 11

109.90 MHz

ID: MSY | CRS: 106°

RWY 29

109.90 MHz

ID: HOX | CRS: 286°

Runway 02 / 20

ILSLIGHTED

Crosswind 02 Crosswind 20 TOD VDP

Length: 7,001 ft / 2,134 m
Surface: Asphalt
Heading: 15° / 195°

RWY 02

111.70 MHz

ID: JFI | CRS: 16°

RWY 20

111.70 MHz

ID: ONW | CRS: 196°

Runway 06 / 24

LIGHTED

Crosswind 06 Crosswind 24 TOD VDP

Length: 3,570 ft / 1,088 m
Surface: Asphalt
Heading: 60.4° / 240.4°

RWY 06

No ILS

RWY 24

No ILS

Nearby Navaids

VOR, NDB, DME stations in the vicinity.

RQR · VOR-DME (Reserve)110,800 kHz

7 ft · Associated: None
30.087500, -90.588600

HRV · VORTAC (Harvey)114,100 kHz

3 ft · Associated: KNBG
29.850201, -90.002998

MS · NDB (Kinte)338 kHz

0 ft · Associated: KMSY
30.025200, -90.399902

Communication Frequencies

ATC and advisory channels.

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

Nearby Airports

Alternatives in the vicinity.

Lakefront Airport

New Orleans NAS JRB/Alvin Callender Field

Baton Rouge Metropolitan Airport

Gulfport Biloxi International Airport

McComb-Pike County Airport / John E Lewis Field

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified