Airport information
- FAA LID
- 4J6
- Coordinates
- 30.7530, -81.5588
- Elevation
- 23 ft MSL
Detailed FAA facility data isn't available for this airport.
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night 2026-06-21
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:56 AM | 09:56Z |
| Sunrise | 06:24 AM | 10:24Z |
| Sunset | 08:32 PM | 00:32Z |
| Evening civil twilight Loggable night begins | 09:00 PM | 01:00Z |
Plan a flight from 4J6
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.8 — confirm the click sequence in the Chart Supplement
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 04
- Pattern
- left (turns left)
- TPA
- 1,000 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 04 at 1,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 04/22
5,000 ft × 100 ft · ASP- Heading
- 33° true
- Heading
- 213° true
Runway 13/31
4,000 ft × 75 ft · ASP- Heading
- 127° true
- Heading
- 307° true
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 04/22 | 5,000 ft | |
| 13/31 | 4,000 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 127 | JACKSONVILLE APP/DEP |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| SSI · Brunswick | VORTAC | 109.80 | r202° / 18.8 NM |
| NRB · Mayport | TACAN | 111.40 | r345° / 23 NM |
| CRG · Craig | VORTAC | 114.50 | r357° / 25 NM |
| NIP · Jacksonville | TACAN | 108.20 | r015° / 31.7 NM |
| VQQ · Cecil | VOR | 117.90 | r031° / 36.7 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4J6. VFR sectional link above.
No published services or facility detail for 4J6.
Nearby airports
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 4J6 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.
About 4J6
St Marys Airport (4J6) is an airport in St Marys, GA, at 23 ft MSL. It has 2 runways, the longest 5,000 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4J6, refreshed from the Aviation Weather Center and FAA NASR.
What is the longest runway at 4J6?
St Marys Airport has 2 runways; the longest is 5,000 ft. See the Runways tab for headings, surface, and lighting.
Where is 4J6?
St Marys Airport is in St Marys, GA, at an elevation of 23 ft MSL. Coordinates: 30.7530, -81.5588.
Fly out of 4J6 often?
Save 4J6 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.