ZCZC JA_2
061511 UTC NOV 26
VARNA RADIO
NAVWARN 808/26
BLACK SEA__=6.)_
HYDROGRAPHIC CUTTER 231 IS CONDUCTING A
HYDROLOGICAL EXPEDITION
FM 0630 TO 1415 UTC FM 10 TO 13=NOV26.
ALL SHIPS TO NAVIGATE WITH EXTREME
CAUTION AND KEEP A DISTANCE OF 3 _:-__3'.
NNNN