An IALA Recommendation specifies what practices shall be carried out in order to comply with that Recommendation, and may be referenced, in full or in part, in an IALA Standard.

If you require any old versions of the document, please contact the secretariat:


IALA is an international association that deals with Marine Aids to Navigation. The association aims to provide information and support to its members and the maritime community through its standards, recommendations, guidelines and other documents as accurately as possible. However, the planning, implementation and operation of Marine Aids to Navigation remains the sole responsibility of the respective national members, authorities, administrations or other entities according to their respective national law including the decision to use IALA’s standards, recommendations, guidelines and other documents.  IALA shall in no event be held responsible for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, or out of or in connection with the above-mentioned documents, the use of or other dealings with them.

Showing 1–16 of 76 results

ID Title Last revised date Format
R0101 R0101 Marine Radar Beacons (Racons) 01 December 2004 PDF: English
R0103 R0103 (V-103) Training and Certification of VTS Personnel 31 January 2022 PDF: English
R0104 R0104 ‘Off Station’ Signals for Major Floating Aids 22 June 2012 PDF: English
R0106 R0106 Retroreflecting Material on Aids to Navigation Marks within the IALA Maritime Buoyage System 16 June 2017 PDF: English
R0107 R0107 Moorings for Floating Aids to Navigation 28 May 2009 PDF: English
R0108 R0108 – Surface Colours Used as Visual Signals on Marine Aids to Navigation 15 December 2017 PDF: English
R0109 R0109 The Calculation of the Range of a Sound Signal 09 June 1998 PDF: English
R0110 R0110 – Rhythmic Characters of Lights on Aids to Navigation 10 June 2021 PDF: English
R0111 R0111 Port Traffic Signals 13 December 2019 PDF: English
R0112 R0112 Leading Lights (calculation program available) 07 December 2005 PDF: English
R0112-2 R0112-2 Leading Lights – Design Programme 12 December 2003 PDF: English
R0113 R0113 The Marking of Fixed Bridges and other Structures over Navigable Waters 09 December 2011 PDF: English
R0115 R0115 The Provision of Maritime Radionavigation Services in the Frequency Band 283.5-315 kHz in Region 1 and 285-325 kHz in Regions 2 and 3 07 December 2005 PDF: English
R0118 R0118 The Recording of Aids to Navigation Positions 07 December 2005 PDF: English
R0119 R0119 Establishment of a VTS 03 June 2022 PDF: English
R0121 R0121 The Performance and Monitoring of DGNSS Services in the Frequency Band 283.5 – 325 kHz 29 May 2015 PDF: English