EPSG:9394 — Ibiza height

VERTCRS[
    "Ibiza height",
    VDATUM["Ibiza",ID["EPSG",1277]],
    CS[vertical,1,ID["EPSG",6499]],
    AXIS["Gravity-related height (H)",up],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    GEOIDMODEL["ETRS89-ESP [REGENTE] to Ibiza height (1)",ID["EPSG",9413]],
    ID["EPSG",9394]
]

+vunits=m +no_defs +type=crs

proj4.defs("EPSG:9394", "+vunits=m +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 9394,
  "name": "Ibiza height",
  "kind": "vertical",
  "area": "Spain - Balearic Islands - Ibiza",
  "unit": "metre",
  "bbox": [
    38.77,
    1.12,
    39.17,
    1.68
  ],
  "proj4": "+vunits=m +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9394, 'EPSG', 9394, '+vunits=m +no_defs +type=crs', 'VERT_CS["Ibiza height",VERT_DATUM["Ibiza",2005,AUTHORITY["EPSG","1277"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9394"]]');

PROJECTION
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

9394=VERT_CS["Ibiza height",VERT_DATUM["Ibiza",2005,AUTHORITY["EPSG","1277"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9394"]]