Oil and gas exploration and production.
Replaced by Bandar Abbas (CRS code 5752) in Iran and Fao 1979 (code 3886) in Iraq. At time of record creation NIOC data in Ahwaz area of Iran and some irrigation project data in Iraq still usually referenced to Fao. Usage in Iraqi oil industry uncertain.
Iraq - onshore southeast; Iran - onshore northern Gulf coast and west bordering southeast Iraq.
31.28 47.68
29.06 44.3
33.5 51.06
44.3 29.06
51.06 33.5
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Fao height", VDATUM["Fao"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Oil and gas exploration and production."], AREA["Iraq - onshore southeast; Iran - onshore northern Gulf coast and west bordering southeast Iraq."], BBOX[29.06,44.3,33.5,51.06]], ID["EPSG",5751]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "Fao height", "datum": { "type": "VerticalReferenceFrame", "name": "Fao" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Oil and gas exploration and production.", "area": "Iraq - onshore southeast; Iran - onshore northern Gulf coast and west bordering southeast Iraq.", "bbox": { "south_latitude": 29.06, "west_longitude": 44.3, "north_latitude": 33.5, "east_longitude": 51.06 }, "id": { "authority": "EPSG", "code": 5751 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+vunits=m +no_defs +type=crs"> <Layer srs="+vunits=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5751, 'EPSG', 5751, '+vunits=m +no_defs +type=crs', 'VERT_CS["Fao height",VERT_DATUM["Fao",2005,AUTHORITY["EPSG","5149"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5751"]]');