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IMCA produces a range of materials for its members as information notes, covering safety, technical, regulatory, commercial and various other issues relevant to its members.

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GPS systems – Warning of interference

The United States Department of Transportation Maritime Administration (MARAD) has issued revised advisory notice 2020-016-Various-GPS Interference on multiple instances of significant GPS interference that have been reported worldwide. This interference is resulting […]

| Information Note number 1525 | Original reference(s) IMCA M 15/20, IMCA S 01/20

DPO Certification – The available schemes

DPO Certification – The available schemes: There are currently three organisations offering DPO certification. Each organisation states that the training scheme is in accordance with IMCA M 117 – Guidelines for the Training and Experience of Key DP Personnel. This information note provides an outline of each scheme. It does

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| Information Note number 1501 | Original reference(s) IMCA M 11/20




The nautical institute dynamic positioning training executive group (NI DPTEG) minutes and action points, May 2019

These are the minutes and action points of the DPTEG meeting held in May 2019. Please direct comments or questions to Andy Goldsmith andy.goldsmith@imca-int.com. Originally issued with the following reference(s): IMCA M 02/19

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| Information Note number 1448 | Original reference(s) IMCA M 02/19

Toolbox talk prompts – CTV transfer with DP vessel

This information note was produced under the supervision of the IMCA Marine Renewable Energy Committee.  Prior to a personnel transfer to or from a DP vessel, check and confirm that: Combined responsibility: Weather windows are suitable and communicated to allow transfer;Site and task risk assessments are available to cover specific

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| Information Note number 1447 | Original reference(s) IMCA M 01/19

GNSS interference, jamming and spoofing

This briefing provides a brief overview of global navigation satellite system (GNSS) interference, jamming and spoofing. Interference is the unintentional transmission of signals stopping the reception of the GNSS signals.Jamming is the intentional interference of the GNSS signal reception to deny the receiver GNSS signals.Spoofing is the practice of tricking

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| Information Note number 1436

Reactivation of DP vessels following a period of lay-up

This information note was produced under the supervision of the IMCA Marine Division Management Committee (MDMC). During 2017, the committee recognised that with improving industry metrics, member companies could now be considering reactivating their owned and managed vessels, following a period of layup.  This note has been produced as a

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| Information Note number 1411 | Original reference(s) IMCA M 02/18


DP station keeping reporting

DP station keeping reporting has further evolved during 2016. The experience and knowledge of the IMCA DP Focused Workgroup has enabled the production of a new electronic DP station keeping event form, introduction of a periodic DP event bulletin and the inclusion of a gap analysis tool to complement the

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| Information Note number 1328 | Original reference(s) IMCA M 16/16

IMCA DP logbook completion

Updated February 2016 – please check for the latest version at www.imca-int.com/marine This information note is issued to provide additional guidance when making entries in the IMCA Dynamic Positioning (DP) […]

| Information Note number 1296 | Original reference(s) IMCA M 02/15


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