Reference only — not for real-world navigation.
KGAO
South Lafourche Leonard Miller Jr Airport · Galliano
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
1 ft / 0 m
Transition Altitude
18,000 ft
Primary Channel
AWOS 118.17 MHz (AWOS 3)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
18/36 · 6,500 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for South Lafourche Leonard Miller Jr Airport (KGAO), located in Galliano, 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 1 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
South Lafourche Leonard Miller Jr Airport
ICAO / IATA
KGAO / —
Municipality
Galliano
Country
Region
US-LA — Louisiana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 18 / 36
ILS EQUIPPEDLIGHTED
Runway Length: 6,500 ft / 1,981 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 181° / 1°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 181° / 1°
RWY 18 (181°)
No ILS / Visual Only
RWY 36 (1°)
109.10 MHz
IDENT: GAO | CRS: 359°
A/D NEW ORLEANS APP/DEP
123.85 MHz
AWOS AWOS 3
118.17 MHz
UNIC UNICOM CTAF
123.00 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026