| FAA Information Effective: | 2013-12-12 | 
| Airport Identifier: | GAO | 
| Airport Status: | Operational | 
| Longitude/Latitude: | 090-15-40.0350W/29-26-27.9800N -90.261121/29.441106 (Estimated) | 
| Elevation: | 1 ft / 0.30 m (Surveyed) | 
| Land: | 390 acres | 
| From nearest city: | 1 nautical miles E of Galliano, LA | 
| Location: | Lafourche Parish, LA | 
| Magnetic Variation: | 02E (1995) | 
| Ownership: | Publicly owned | 
| Owner: | Greater Lafourche Port Commission | 
| Address: | Po Drawer 490 Galliano, LA 70354 | 
| Phone number: | 985-632-6701 | 
| Manager: | Joe Wheeler | 
| Address: | Po Drawer 490 Galliano, LA 70354 | 
| Phone number: | 985-632-1118 AFTER HRS PHONE 985-475-6701. | 
| Airport Use: | Open to public | 
| Wind indicator: | Yes WIND INDICATOR OTS INDEFLY. | 
| Segmented Circle: | Yes | 
| Control Tower: | No | 
| Lighting Schedule: | SEE RMK MIRL RY 18/36, REIL RY 18 & SSALR RY 36 PRESET LOW INTST DUSK-DAWN; TO INCR INTST ACTVT - CTAF. | 
| Beacon Color: | Clear-Green (lighted land airport) | 
| Sectional chart: | New Orleans | 
| Region: | ASW - Southwest | 
| Boundary ARTCC: | ZHU - Houston | 
| Tie-in FSS: | DRI - De Ridder | 
| FSS Toll Free: | 1-800-WX-BRIEF | 
| NOTAMs Facility: | DRI (NOTAM-d service avaliable) | 
| Federal Agreements: | NGY | 
| CTAF: | 123.000 | 
| Unicom: | 123.000 | 
| Fuel available: | 100LLA1+ SELF SERVICE AVBL 24 HRS WITH CREDIT CARD | 
| Dimension: | 6502 x 100 ft / 1981.8 x 30.5 m | 
| Surface: | ASPH, Good Condition | 
| Weight Limit: | Single wheel: 60000 lbs. Dual wheel: 75000 lbs. | 
| Edge Lights: | Medium | 
| Runway 18 | Runway 36 | |
|---|---|---|
| Longitude: | 090-15-39.6509W | 090-15-40.4041W | 
| Latitude: | 29-27-00.1630N | 29-25-55.7974N | 
| Elevation: | 1.00 ft | -1.00 ft | 
| Alignment: | 127 | 127 | 
| ILS Type: | LOC/DME | |
| Traffic Pattern: | Left | Left | 
| Markings: | Non-precision instrument, Good Condition | Precision instrument, Good Condition | 
| Crossing Height: | 50.00 ft | 50.00 ft | 
| VASI: | 4-light PAPI on left side | 4-light PAPI on left side | 
| Visual Glide Angle: | 3.00° | 3.00° | 
| Approach lights: | SSALR | |
| Runway End Identifier: | Yes | No | 
| Obstruction: | 36 ft trees, 1300.0 ft from runway, 200 ft right of centerline, 31:1 slope to clear | , 50:1 slope to clear | 
| Dimension: | 60 x 60 ft / 18.3 x 18.3 m | 
| Surface: | CONC, Good Condition | 
| Runway H1 | Runway | |
|---|---|---|
| Traffic Pattern: | Left | Left | 
| GCO AVBL ON FREQ 135.075 THRU DRI AFSS. |