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Marko · 10-06-05, 11:00 AM

Hi all,
while i was reading a german KTB i noticed that when the captqain express the depth of the boat he uses a notation like this "A+20", "A-40".
What s this mean?

tnx

10-06-05, 11:00 AM	#1
Marko A-ganger Join Date: Aug 2003 Location: Back at Sea Posts: 75 Downloads: 87 Uploads: 0	Reading a KTB Hi all, while i was reading a german KTB i noticed that when the captqain express the depth of the boat he uses a notation like this "A+20", "A-40". What s this mean? tnx