A9J5: Mark details

MARK IDENTIFICATION

Code:   A9J5
Name:   33 MANGAWHAI
Alternatives:  
Country:   New Zealand
Land District:   North Auckland
Topo50 map ref:   AY31 432 991

NZGD 2000 COORDINATES

Latitude:   36° 08' 30.65824" S
Longitude:   174° 35' 28.51450" E
Ellipsoidal height (m):   110.324
Order:   5
Authorised:   30-Nov-2018
Reference:   Verified in National Geodetic Adjustment. Last used observation 2003
Previous coordinates
Projection       Northing (m)       Easting (m)       Scale Factor       Convergence      
New Zealand Transverse Mercator       5999145.491       1743164.320       0.9998525       +0° 56' 19"        Previous coordinates
Mount Eden Circuit 2000       881858.593       384439.076       0.9999030       -0° 06' 07"        Previous coordinates

NEW ZEALAND VERTICAL DATUM 2016 HEIGHT

Height (m):   73.51
Order:   3V
Authorised:   30-Nov-2018
Reference:   Height verified in National Geodetic Adjustment. Last used observation 2003
Previous heights

MARK DETAILS

Last maintained:   28-Sep-2023
Maintenance level:  
Mark condition:   Reliably Placed
Description:   25mm SS pin set in 75mm dia cast iron tube branded '33'. For previous NZ Geog Board Gaz refer to 1948/950 (1930-39). A flax hedge has grown over this mark. Down 0.3m The ONTPHT1964 height at this site was modified in July 2017 - An error of 1.0m was identified and corrected.
Mark type:   Pin
Beacon type:   Mast
Protection type:   Non Standard Beacon
Report created on 10-Jun-2025    © Copyright: Land Information New Zealand
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