Patterson, Louisiana
KPTN Harry P Williams Meml
Harry P Williams Meml (KPTN) is a non-towered, public-use airport in Patterson, Louisiana, at 8.5 ft MSL. It has 2 runways: 04W/22W (4,500 by 100 ft, water), 06/24 (5,399 by 150 ft, asphalt). Right traffic for runways 04W, 24. CTAF 122.8.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO KPTN, FAA PTN
- Location
- Patterson, Louisiana (St Mary County). 2 NM NW of the city center
- Elevation
- 8.5 ft MSL
- Position
- 29.7095° N, 91.3390° W
- Control tower
- No, non-towered
- Sectional chart
- Houston
- Magnetic variation
- 1° E (2005)
- Fuel
- 100LL, Jet A
- Ownership
- Publicly owned, open to the public
- Attendance
- Daily ALL
2 runways
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 04W/22W | 4,500 × 100 ft | Water, good condition | Not listed |
| 06/24 | 5,399 × 150 ft | Asphalt, fair condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 04W | Right traffic | None listed | None listed | None listed | Not listed |
| 22W | Left traffic | None listed | None listed | None listed | Not listed |
| 06 | Left traffic | 2-light PAPI, left | None listed | 394 ft | Not listed |
| 24 | Right traffic | 2-light PAPI, left | ILS/DME | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.8
- Actvt Malsr Rwy 24; Mirl Rwy 06/24 Preset Med Intst, To Incr Intst - Ctaf.
- UNICOM
- 122.8
- Clearance delivery
- 124.3
- Approach / departure
- 124.3
- "New Orleans"
Weather station
- AWOS-3PT PTN
- 134.575
Before you go
Brief KPTN in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Harry P Williams Meml, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.