EPSG:11389

Heathrow Airport GIS Grid 2026

Attributes

Data source: EPSG

Information source: Ordnance Survey of Great Britain on behalf of ESRI (UK).

Revision date: 2026-03-05

Scope: GIS.

Remarks: Approximation of Heathrow Airport Grid. 'Azimuth at projection centre' parameter given by information source as 0°17'56.64382"W.

Method: Local Orthographic

Area of use: UK - Heathrow airport and surrounding area.

Description: (0,)

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SimpleMap
UK - Heathrow airport and surrounding area.

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Definition: OGC Well Known Text

PROJECTION["Local Orthographic"],
PARAMETER["latitude_of_center",51.4701102238889],
PARAMETER["longitude_of_center",-0.451656585555556],
PARAMETER["azimuth",359.700932272222],
PARAMETER["scale_factor",1.000002816],
PARAMETER["false_easting",7334.818],
PARAMETER["false_northing",5637.421]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["Heathrow Airport GIS Grid 2026",
    METHOD["Local Orthographic",
        ID["EPSG",1130]],
    PARAMETER["Latitude of projection centre",51.4701102238889,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8811]],
    PARAMETER["Longitude of projection centre",-0.451656585555556,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8812]],
    PARAMETER["Azimuth at projection centre",359.700932272222,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8813]],
    PARAMETER["Scale factor at projection centre",1.000002816,
        SCALEUNIT["unity",1],
        ID["EPSG",8815]],
    PARAMETER["Easting at projection centre",7334.818,
        LENGTHUNIT["metre",1],
        ID["EPSG",8816]],
    PARAMETER["Northing at projection centre",5637.421,
        LENGTHUNIT["metre",1],
        ID["EPSG",8817]],
    ID["EPSG",11389]]

Definition: ESRI Well Known Text

PROJECTION["Local"],
PARAMETER["False_Easting",7334.818],
PARAMETER["False_Northing",5637.421],
PARAMETER["Scale_Factor",1.000002816],
PARAMETER["Azimuth",-0.29906772777781],
PARAMETER["Longitude_Of_Center",-0.451656585555556],
PARAMETER["Latitude_Of_Center",51.4701102238889]

Definition: PROJ.4

+proj=ortho +lat_0=51.4701102238889 +lon_0=-0.451656585555556 +alpha=359.700932272222 +k=1.000002816 +x_0=7334.818 +y_0=5637.421

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:11389","+proj=ortho +lat_0=51.4701102238889 +lon_0=-0.451656585555556 +alpha=359.700932272222 +k=1.000002816 +x_0=7334.818 +y_0=5637.421");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "Heathrow Airport GIS Grid 2026",
    "method": {
        "name": "Local Orthographic",
        "id": {
            "authority": "EPSG",
            "code": 1130
        }
    },
    "parameters": [
        {
            "name": "Latitude of projection centre",
            "value": 51.4701102238889,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8811
            }
        },
        {
            "name": "Longitude of projection centre",
            "value": -0.451656585555556,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8812
            }
        },
        {
            "name": "Azimuth at projection centre",
            "value": 359.700932272222,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8813
            }
        },
        {
            "name": "Scale factor at projection centre",
            "value": 1.000002816,
            "unit": "unity",
            "id": {
                "authority": "EPSG",
                "code": 8815
            }
        },
        {
            "name": "Easting at projection centre",
            "value": 7334.818,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8816
            }
        },
        {
            "name": "Northing at projection centre",
            "value": 5637.421,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8817
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 11389
    }
}

Definition: GeoServer

11389=PROJECTION["Local Orthographic"],PARAMETER["latitude_of_center",51.4701102238889],PARAMETER["longitude_of_center",-0.451656585555556],PARAMETER["azimuth",359.700932272222],PARAMETER["scale_factor",1.000002816],PARAMETER["false_easting",7334.818],PARAMETER["false_northing",5637.421]

Definition: MapServer - MAPfile

PROJECTION
	"proj=ortho"
	"lat_0=51.4701102238889"
	"lon_0=-0.451656585555556"
	"alpha=359.700932272222"
	"k=1.000002816"
	"x_0=7334.818"
	"y_0=5637.421"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=ortho +lat_0=51.4701102238889 +lon_0=-0.451656585555556 +alpha=359.700932272222 +k=1.000002816 +x_0=7334.818 +y_0=5637.421">
	<Layer srs="+proj=ortho +lat_0=51.4701102238889 +lon_0=-0.451656585555556 +alpha=359.700932272222 +k=1.000002816 +x_0=7334.818 +y_0=5637.421">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 11389, 'EPSG', 11389, '+proj=ortho +lat_0=51.4701102238889 +lon_0=-0.451656585555556 +alpha=359.700932272222 +k=1.000002816 +x_0=7334.818 +y_0=5637.421', 'PROJECTION["Local Orthographic"],PARAMETER["latitude_of_center",51.4701102238889],PARAMETER["longitude_of_center",-0.451656585555556],PARAMETER["azimuth",359.700932272222],PARAMETER["scale_factor",1.000002816],PARAMETER["false_easting",7334.818],PARAMETER["false_northing",5637.421]');