单选题 1分

Which equipment is required to be carried in various sea areas?①VHF equipment; ②SART; ③SES; ④MF/HF e...

Which equipment is required to be carried in various sea areas?①VHF equipment; ②SART; ③SES; ④MF/HF equipment; ⑤SEPIRB.
  • A.①②③④⑤
  • B.①②⑤
  • C.①②③
  • D.①②③④

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3 单选题 1分
  • A.Within the coverage of INMARSAT satellites it's an area approximately be-tween 70 degrees North and 70 degrees South, excluding areas Al and A2.
  • B.Within the coverage area of INMARSAT satellites.
  • C.Within range of shore-based MF coast station with DSC function.
  • D.Area above 70 degrees N and area below 70°S.