Mock Search exersise for diver
Out to tidal diamond A put lit danbouy in water for 12 mins to soak then measured drift against diamond calcs
then undertook a expanding box search and located the marker at 8 minute mark
recovered marker and headed to green bay for local area fam at night then return to base
Links:
[1] http://www.coastguardmana.org.nz/users/jake