ZCZC _A15 NCC-HAMBURG 201345 UTC AUG 26 NAV. WARN. NO. 473 __ 6_.)!$*__CHENELKO_32_,_DIVING OPS BY MV '_'3-53_6._$_0_06_'E6BU3', AROUND POSITION 53-49,5_. _02,6E RESTRICTED MANOEVRABILITY DURING OQERAT_ONS. BERTH OF 1 NM REQUESTED. NNNN