A.routine
B.distress
C.urgency
D.safety
您可能感興趣的試卷
你可能感興趣的試題
A.Network
B.The CES preferred by the applicant
C.INMARSAT
D.The SES itself
A.INMARSAT
B.IMO
C.MSC
D.CES
A.20 hour
B.12 hour
C.24 minute
D.24 hour
A.his service and position
B.time and course
C.tide and speed
D.type of his ship
A.Yamaguchi, Japan
B.Beijing, China
C.Nakhodka, Russia
D.Perth, Australia
最新試題
COSPAS-SARSAT is intended to be used for().
The rescue coordination center may()on stations which interfere with traffic.
For COSPAS-SARSAT system,()usually transmit initial COSPAS-SARSAT alert.
Particular care should be()in selecting CESs in areas where Ocean Regions overlap.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their().
Every lifeboat which is fitted with a fixed two-way()radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
The advantage of geostationary satellites is().
Monitoring is especially important in a highly automated system which is dependent on careful()procedure and format.
The frequency()the safety message will be transmitted shall be included in DSC safety call.
If the beacon is mounted at a wrong place, it may()by sea water, chemicals, exhaust and vibrations.