If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
officers and crews of seismic survey vessels
merchant ships and fishing vessels
This note supersedes MGN 47(M+F)
The attachment of radar transponders to mark the end of seismic streamers is not normally allowed in the UK.