EPSG:4456

NAD27 / New York Long Island

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Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Method: NTv2

Grid Files: NTv2_0.gsb

Remarks: Parameter file is from NAD27 to NAD83 (4) (code 1313) assuming that NAD83 is equivalent to WGS 84 within the accuracy of the transformation.

Information source: OGP

Revision date: 2021-09-10

Attributes

Unit: US survey foot

Geodetic CRS: NAD27

Datum: North American Datum 1927

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Revision date: 2009-08-29

Scope: Engineering survey, topographic mapping.

Area of use: United States (USA) - New York - counties of Bronx; Kings; Nassau; New York; Queens; Richmond; Suffolk.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ftUS.

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Center coordinates
-1455319.76 8350108.36

Projected bounds:
-13011199.66 -80962.4
10242313.91 19840070.56

WGS84 bounds:
-141.01 40.0
-44.0 83.17

Canada - onshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon; offshore east coast west of 44°W and north of 40°N.
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Definition: OGC Well Known Text

PROJCS["NAD27 / New York Long Island",
    GEOGCS["NAD27",
        DATUM["North_American_Datum_1927",
            SPHEROID["Clarke 1866",6378206.4,294.978698213898],
            EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4267"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["latitude_of_origin",40.5],
    PARAMETER["central_meridian",-74],
    PARAMETER["standard_parallel_1",41.0333333333333],
    PARAMETER["standard_parallel_2",40.6666666666667],
    PARAMETER["false_easting",2000000],
    PARAMETER["false_northing",100000],
    UNIT["US survey foot",0.304800609601219],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","4456"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["NAD27 / New York Long Island",
    BASEGEOGCRS["NAD27",
        DATUM["North American Datum 1927",
            ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4267]],
    CONVERSION["New York CS27 Long Island zone",
        METHOD["Lambert Conic Conformal (2SP)",
            ID["EPSG",9802]],
        PARAMETER["Latitude of false origin",40.5,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8821]],
        PARAMETER["Longitude of false origin",-74,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8822]],
        PARAMETER["Latitude of 1st standard parallel",41.0333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8823]],
        PARAMETER["Latitude of 2nd standard parallel",40.6666666666667,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8824]],
        PARAMETER["Easting at false origin",2000000,
            LENGTHUNIT["US survey foot",0.304800609601219],
            ID["EPSG",8826]],
        PARAMETER["Northing at false origin",100000,
            LENGTHUNIT["US survey foot",0.304800609601219],
            ID["EPSG",8827]]],
    CS[Cartesian,2],
        AXIS["easting (X)",east,
            ORDER[1],
            LENGTHUNIT["US survey foot",0.304800609601219]],
        AXIS["northing (Y)",north,
            ORDER[2],
            LENGTHUNIT["US survey foot",0.304800609601219]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["United States (USA) - New York - counties of Bronx; Kings; Nassau; New York; Queens; Richmond; Suffolk."],
        BBOX[40.47,-74.26,41.3,-71.8]],
    ID["EPSG",4456]]

Definition: ESRI Well Known Text

PROJCS["NAD_1927_StatePlane_New_York_Long_Island_FIPS_3104",
    GEOGCS["GCS_North_American_1927",
        DATUM["D_North_American_1927",
            SPHEROID["Clarke_1866",6378206.4,294.978698213898],
            EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic"],
    PARAMETER["False_Easting",2000000.0],
    PARAMETER["False_Northing",100000.0],
    PARAMETER["Central_Meridian",-74.0],
    PARAMETER["Standard_Parallel_1",41.0333333333333],
    PARAMETER["Standard_Parallel_2",40.6666666666667],
    PARAMETER["Latitude_Of_Origin",40.5],
    UNIT["US survey foot",0.304800609601219]]

Definition: PROJ.4

+proj=lcc +lat_0=40.5 +lon_0=-74 +lat_1=41.0333333333333 +lat_2=40.6666666666667 +x_0=609601.219202438 +y_0=30480.0609601219 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4456","+proj=lcc +lat_0=40.5 +lon_0=-74 +lat_1=41.0333333333333 +lat_2=40.6666666666667 +x_0=609601.219202438 +y_0=30480.0609601219 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "NAD27 / New York Long Island",
    "base_crs": {
        "name": "NAD27",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum 1927",
            "ellipsoid": {
                "name": "Clarke 1866",
                "semi_major_axis": 6378206.4,
                "inverse_flattening": 294.978698213898
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4267
        }
    },
    "conversion": {
        "name": "New York CS27 Long Island zone",
        "method": {
            "name": "Lambert Conic Conformal (2SP)",
            "id": {
                "authority": "EPSG",
                "code": 9802
            }
        },
        "parameters": [
            {
                "name": "Latitude of false origin",
                "value": 40.5,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8821
                }
            },
            {
                "name": "Longitude of false origin",
                "value": -74,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8822
                }
            },
            {
                "name": "Latitude of 1st standard parallel",
                "value": 41.0333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8823
                }
            },
            {
                "name": "Latitude of 2nd standard parallel",
                "value": 40.6666666666667,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8824
                }
            },
            {
                "name": "Easting at false origin",
                "value": 2000000,
                "unit": {
                    "type": "LinearUnit",
                    "name": "US survey foot",
                    "conversion_factor": 0.304800609601219
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8826
                }
            },
            {
                "name": "Northing at false origin",
                "value": 100000,
                "unit": {
                    "type": "LinearUnit",
                    "name": "US survey foot",
                    "conversion_factor": 0.304800609601219
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8827
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "X",
                "direction": "east",
                "unit": {
                    "type": "LinearUnit",
                    "name": "US survey foot",
                    "conversion_factor": 0.304800609601219
                }
            },
            {
                "name": "Northing",
                "abbreviation": "Y",
                "direction": "north",
                "unit": {
                    "type": "LinearUnit",
                    "name": "US survey foot",
                    "conversion_factor": 0.304800609601219
                }
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "United States (USA) - New York - counties of Bronx; Kings; Nassau; New York; Queens; Richmond; Suffolk.",
    "bbox": {
        "south_latitude": 40.47,
        "west_longitude": -74.26,
        "north_latitude": 41.3,
        "east_longitude": -71.8
    },
    "id": {
        "authority": "EPSG",
        "code": 4456
    }
}

Definition: GeoServer

4456=PROJCS["NAD27 / New York Long Island",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",40.5],PARAMETER["central_meridian",-74],PARAMETER["standard_parallel_1",41.0333333333333],PARAMETER["standard_parallel_2",40.6666666666667],PARAMETER["false_easting",2000000],PARAMETER["false_northing",100000],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","4456"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=40.5"
	"lon_0=-74"
	"lat_1=41.0333333333333"
	"lat_2=40.6666666666667"
	"x_0=609601.219202438"
	"y_0=30480.0609601219"
	"ellps=clrk66"
	"nadgrids=NTv2_0.gsb"
	"units=us-ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=40.5 +lon_0=-74 +lat_1=41.0333333333333 +lat_2=40.6666666666667 +x_0=609601.219202438 +y_0=30480.0609601219 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=40.5 +lon_0=-74 +lat_1=41.0333333333333 +lat_2=40.6666666666667 +x_0=609601.219202438 +y_0=30480.0609601219 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4456, 'EPSG', 4456, '+proj=lcc +lat_0=40.5 +lon_0=-74 +lat_1=41.0333333333333 +lat_2=40.6666666666667 +x_0=609601.219202438 +y_0=30480.0609601219 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs', 'PROJCS["NAD27 / New York Long Island",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",40.5],PARAMETER["central_meridian",-74],PARAMETER["standard_parallel_1",41.0333333333333],PARAMETER["standard_parallel_2",40.6666666666667],PARAMETER["false_easting",2000000],PARAMETER["false_northing",100000],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","4456"]]');