Recognised design approvers

DA_E – Design Approval – Electrical - Specialist design approval for ships electrical systems

Surveyor - Electrical Systems - Inspection and testing of electrical systems on board ships

DAw – Design approval - Wood

DA_SA – Design Approval – Steel and Aluminium
Stability assessments (all vessels)

DA_SA – Design Approval – Steel and Aluminium

DA_FRP – Design Approval – Fibre Reinforced Plastic

DA_E – Design Approval Electrical - Specialist design approval for ship systems

DA_E – Design approval – Electrical – Specialist design approval for ships electrical systems

Survey Recognitions:
IC1 – Initial Construction 1 – Steel, Aluminium, FRP, Wood, and Plastic for ships of 35m or less, operating up to Offshore Limits

P1r – Periodic 1r – Steel, Aluminium, FRP, Wood, and Plastic for ships of 35m or less, operating up to Offshore Limits

DA_SA– Design approval – Steel and Aluminium for ships of 35m or less, operating up to Offshore Limits

DA_F– FRP for ships of 35m or less, operating up to Offshore Limits

DA_P – Design approval – Plastic for ships of 35m or less, operating up to Offshore Limits

DA_SA– Design Approval - Steel and Aluminum for ships up to and including 24 meters in length with an operating limit of Offshore

DA_FRP - Design Approval - Fibre Reinforced Plastic for ships up to and including 24 meters in length with an operating limit of Offshore

DA_E – Design Approval – Electrical– Electrical Systems

Surveyor – Electrical Systems

DA_SA – Design Approval – Steel and Aluminium only for ships up to 35 metres within Offshore Limits

DA_F – Design Approval – Design approval - Fibre Reinforced Plastic (FRP) only for ships up to 35 metres within Offshore Limits

DA_SA – Design Approval – Steel and Aluminium

Survey Recognitions:
IC1 – Initial Construction 1 – for ships up to 35 metres, restricted to Offshore Limits only

P1r – Periodic 1r – for ships up to 35 metres, restricted to Offshore Limits only

DA_SA– Design approval – Steel and Aluminium for ships up to 45 metres restricted to Offshore Limits

DA_F– Design approval - Fibre Reinforced Plastic (FRP) for ships up to 45 metres restricted to Offshore Limits

DA_P – Design approval – Plastic for ships up to 45 metres restricted to Offshore Limits

Survey Recognitions:
DA_SA– Design approval – Steel and Aluminium

DA_F– Design approval - FRP

DA_SA – Design Approval – Steel and Aluminium

DA_F – Design Approval – FRP

DA_P – Design Approval – Plastic (Roto moulded only)

IC1 – Initial Construction 1 – for ships up to 35 metres, restricted to Offshore Limits only

P1r – Periodic 1r – for ships up to 35 metres, restricted to Offshore Limits only

DASA – Design approval – Steel and Aluminium for ships up to 45 restricted to Offshore Limits

DAF – Design approval - Fibre Reinforced Plastic (FRP) for ships up to 45 metres restricted to Offshore Limits

DAP - Design approval – Plastic for ships up to 45 metres restricted to Offshore Limits

DAw - Design approval – Wood for ships up to 45 metres restricted to Offshore Limits

DALC - Design approval – Light Craft for ships up to 45 metres restricted to Offshore Limits

DAN - Design approval – Novel Craft for ships up to 45 metres restricted to Offshore Limits

DA_SA – Design approval (Restricted level) – Steel and Aluminium only for ships up to 35 metres within Offshore Limits

DA_F – Design approval (Restricted level) – Fibre Reinforced Plastic (FRP) only for ships up to 35 metres within Offshore Limits

DA_P – Design approval (Restricted level) – Plastic – only for ships up to 35 metres within Offshore Limits

IC1 – Initial and Construction 1 (Restricted level) – all materials only for ships up to 35 metres within Offshore Limits

Surveyor – Electrical (Restricted level) – only up to 50V (AC); and 120V (DC)

DAsa - design approval - Steel and Aluminum for ships up to 45 meteres, restricted to offshore limits only

DAf - Design approval - Fibre Reinforced Plastic (FRP) for ships up to 45 meters restricted to offshore limits only.

Dap - design approval - plastic for ships up to 45 metres restricted to offshore limits only

Daw - design approval - plastic for ships up to 45 metres restricted to offshore limits only

DAlc - design approval - plastic for ships up to 45 metres restricted to offshore limits only

Dan - design approval - plastic for ships up to 45 metres restricted to offshore limits only

DA_SA – Design approval – Steel and Aluminium

DA_F – Design approval – FRP

DAw – Design approval – Timber composites only

DA_P – Design approval – Plastic

DA_N – Design approval – Seabreacher vessels

DA_N – Design approval – Novel Craft (Tunnel-hull racing boats only)

DA_SA – Design Approval – Steel and Aluminium

DA_F – Design Approval – FRP – All composites

DA_SA – Design approval – Steel and Aluminium (including Alloys) for ships up to 45 metres within Offshore Limits

DA_F – Design approval - Fibre Reinforced Plastic (FRP) for ships up to 45 metres within Offshore Limits

DA_P – Design approval – Plastic – only for ships up to 45 metres within Offshore Limits

DA_W – Design approval (Restricted level) – Wood – for ships up to 45 metres within Offshore Limits

DA_LC – Design approval – Light Craft – for ships up to 45 metres within Offshore Limits

DA_N – Design approval – Novel Craft – for ships up to 45 metres within Offshore Limits

DA_FC – Ferro Cement

DA_E – Design approval - Electrical – Limited only up to 50V (AC) and 120V (DC)

IC1 - Initial and Construction 1 (Restricted level) – all materials only for ships up to 35 metres within Offshore Limits

P1r - Periodic 1 (Restricted level) – all materials only for ships up to 35 metres within Offshore Limits

Limited to: open boats, fishing vessels, and vessels that do not carry cargo:

DASA Design Approval – Steel and Aluminium – limited to vessels less than 24m, Offshore limits (not permitted to undertake calculations of assignment for load line surveys)

DAF Design Approval – FRP – limited to vessels less than 24m, Offshore limits (not permitted to undertake calculations of assignment for load line surveys)

IC1 Initial Construction 1 – Steel, Aluminium, and FRP – limited to vessels less than 24m, Offshore limits (not permitted to undertake load line surveys)

P1 Periodic 1 – Steel, Aluminium, and FRP – limited to vessels less than 24m, Offshore limits (not permitted to undertake load line surveys)

DA_E – Design Approval – Electrical – Specialist design approval for ships electrical systems