It looks like you’re trying to find a related to Map 01-470 . However, I’m unable to directly post or host files.
It replaced older standards like BR 3021 and BR 8470 . Detailed Technical Features map 01-470 pdf
: It is part of a broader suite of maritime publications (MAPs) and often cited alongside British Defence Standards (Def Stans) Accessing the PDF It looks like you’re trying to find a
Based on the text provided, here is the most likely interpretation and relevant information: map 01-470 pdf