Harry P Williams Memorial
PTN · KPTN · Patterson, Louisiana · St Mary County · map
Harry P Williams Memorial is a public-use airport owned by the State of Louisiana, 2 miles northwest of Patterson, Louisiana, 8 feet above sea level. Its one runway, 06/24, is 5,399 feet of asphalt. It has 1 water landing area. It has fuel (100LL avgas, Jet A).
Weather right now KPTN · observed 3:24 pm CDT (20:24 UTC), 13 minutes ago
VFR good flying weather
- Wind from the east-northeast (070°) at 9 knots
- Visibility 10 miles or more
- Sky: a few clouds at 2,800 feet
- Temperature 82°F (28°C), dew point 72°F (22°C)
- Altimeter 29.89 inHg
No terminal forecast is issued for this station. The nearest forecast is usually at the closest larger airport.
The codes as issued (METAR and TAF)
SPECI KPTN 062024Z AUTO 07009KT 10SM FEW028 28/22 A2989 RMK AO2 $
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
The airport
- Codes
- FAA PTN · ICAO KPTN
- Kind
- Airport · open to the public · publicly owned
- Owner
- State of Louisiana
- Elevation
- 8 feet above sea level
- Control tower
- No control tower
- Attended
- around the clock
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, Jet A
- Repairs
- airframe: major repairs; engine: major repairs
- Parking
- hangar, tiedown
- On the chart
- Houston sectional
- Magnetic variation
- 1E
- In the FAA's files since
- April 1940
Runways 2
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 06/24 | 5,399 × 150 ft | Asphalt, fair | Medium-intensity lights |
| 04W/22W | 4,500 × 100 ft | Water, good |
- Runway 06: PAPI, two lights on the left, threshold displaced 394 ft, trees 58 ft high 1,491 ft from the end
- Runway 24: ILS with DME, PAPI, two lights on the left, medium-intensity approach lights with runway alignment lights (MALSR), right-hand traffic pattern
- Runway 04W: right-hand traffic pattern, road 20 ft high 600 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.8 | |
| Approach and departure · Clearance delivery | 124.3 | |
| Ptn and aWOS-3PT | 134.575 |
Automated weather (AWOS-3PT), by phone 985-395-6735.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Patterson from the FAA register
12 aircraft are registered to owners in Patterson, Louisiana: 7 piston singles, 4 helicopters, 1 turboprop. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Louisiana.
Accidents and incidents at or near this airport NTSB records · 17 since 1982, 5 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Activate approach lights (MALSR) runway 24; medium-intensity runway lights runway 06/24 preset med intst, to incr intst - the common traffic frequency.
- Approach ratio 23:1 to dthr.
- 4500 feet by 100 feet waterway hdg 04/22 located 1100 feet south of concrete runway. Dual land/sea operation.
- Pilots conducting efvs operations; be aware led als in use runway 24.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.