Oil and gas exploration and production.
AIOC95 datum is 1.7m above Caspian datum and 26.3m below Baltic datum. Also used by AIOC and BP as the depth system for all offshore Azerbaijan activities (see CRS code 5734).
Azerbaijan - Caspian offshore and onshore Sangachal terminal.
40.24 50.19
37.89 48.66
42.59 51.73
48.66 37.89
51.73 42.59
Definition: OGC Well Known Text 2 (2019)
VERTCRS["AIOC95 height", VDATUM["AIOC 1995"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Oil and gas exploration and production."], AREA["Azerbaijan - Caspian offshore and onshore Sangachal terminal."], BBOX[37.89,48.66,42.59,51.73]], ID["EPSG",5797]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "AIOC95 height", "datum": { "type": "VerticalReferenceFrame", "name": "AIOC 1995" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Oil and gas exploration and production.", "area": "Azerbaijan - Caspian offshore and onshore Sangachal terminal.", "bbox": { "south_latitude": 37.89, "west_longitude": 48.66, "north_latitude": 42.59, "east_longitude": 51.73 }, "id": { "authority": "EPSG", "code": 5797 } }
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 ( 5797, 'EPSG', 5797, '+vunits=m +no_defs +type=crs', 'VERT_CS["AIOC95 height",VERT_DATUM["AIOC 1995",2005,AUTHORITY["EPSG","5133"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5797"]]');