Reference only — not for real-world navigation.
KPTN
Harry P Williams Memorial Airport · Patterson
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
9 ft / 3 m
Transition Altitude
18,000 ft
Primary Channel
RDO 122.50 MHz (DE RIDDER RDO)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Harry P Williams Memorial Airport (KPTN), located in Patterson, 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 9 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
Harry P Williams Memorial Airport
ICAO / IATA
KPTN / PTN
Municipality
Patterson
Country
Region
US-LA — Louisiana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
9 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 06 / 24
ILS EQUIPPEDLIGHTED
Runway Length: 5,399 ft / 1,646 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 59.1° / 239.1°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 59.1° / 239.1°
RWY 06 (59.1°)
No ILS / Visual Only
RWY 24 (239.1°)
108.30 MHz
IDENT: PTN | CRS: 238°
Runway 04W / 22W
UNLIT
Runway Length: 4,500 ft / 1,372 m
Runway Width: 100 ft / 30 m
Surface Type: WATER
Heading: 55° / 235°
Runway Width: 100 ft / 30 m
Surface Type: WATER
Heading: 55° / 235°
RWY 04W (55°)
No ILS / Visual Only
RWY 22W (235°)
No ILS / Visual Only
A/D NEW ORLEANS APP/DEP
124.30 MHz
AWOS AWOS 3
134.57 MHz
RDO DE RIDDER RDO
122.50 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026