Port Sulphur Seaplane Base Seaplane Base
4LA0 · Port Sulphur, LA
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 08:12 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:57 AM | 10:57Z |
| Sunrise | 06:22 AM | 11:22Z |
| Sunset | 07:47 PM | 00:47Z |
| Evening civil twilight Loggable night begins | 08:12 PM | 01:12Z |
Plan a flight from 4LA0
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| NE/SW | 15,000 ft | |
| NW/SE | 15,000 ft |
Prefer one flat page? Full runway details for 4LA0 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 4LA0 kneeboard →
Comms & NavAids
Nearby navigation aids
LEV 113.50 · HRV 114.10
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| LEV · Leeville | VORTAC | 113.50 · 82X | High | r048° / 27.2 NM |
| HRV · Harvey | VORTAC | 114.10 · 88X | High | r144° / 28 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 4LA0 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 4LA0
- Coordinates
- 29.4627, -89.7028
Detailed FAA facility data isn't available for this airport.
No published services or facility detail for 4LA0.
Nearby airports
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Also nearby: 7LA1 Birdwin Airport (private) (1 NM) · 30LA Venice Base Heliport & Seaplane Base (21 NM) · 11LA Tiger Pass Seaplane Base (private) (22 NM) · LA98 West Bay Seaplane Base (26 NM) · 7LA7 Romere Pass Seaplane Base (27 NM)
About 4LA0
Port Sulphur Seaplane Base (4LA0) is a seaplane base in Port Sulphur, LA. It has 2 runways, the longest 15,000 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4LA0, refreshed from the Aviation Weather Center and FAA NASR.
What is the longest runway at 4LA0?
Port Sulphur Seaplane Base has 2 runways; the longest is 15,000 ft. See the Runways section for headings, surface, and lighting.
Where is 4LA0?
Port Sulphur Seaplane Base is in Port Sulphur, LA. Coordinates: 29.4627, -89.7028.
More about 4LA0
Fly out of 4LA0 often?
Save 4LA0 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 4LA0 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.