C. Urgency message D. Maritime Safety Information 25. MSI stand for____ .
A. Mobile Satellite Information B. Motor Ship Identification C. Most Serious Information D. Maritime Safety Information
26. In order to ensure that all necessary MSI is available, the EGC receiver will remain in operation while . A. the ship is at sea B. the condition is good C. the ship is in port D. A and C
27. A NAVTEX receiver receives MSI broadcast from . A. NAVTEX stations B. RCCs
C. NCCs ' D. Safety NET service
28. NAVTEX transmissions have a designed range of about nautical miles. A. 300 B. 400 C. 500 D.600
29. Among all NAVTEX transmissions, has the absolute priority. A. VITAL B. IMPORTANT C. URGENT D. ROUTINE
30. Which message can be programmed to be rejected or disabled by the operator of a NAVTEX receiver? . A. Navigational warnings B. Meteorological warnings C. Pilot Service Messages D. All of these
31. At MF the frequency 518 kHz has been made available for broadcasts by means of NBDP using forward error correction. The abbreviation MF is . A. Media Frequency B. Medium Frequency C. Marine Friend D. Morse Fuse
Part Five The Searching and Locating System
1. What is the main means in the GMDSS for locating ship in distress or their survival craft? A. NAVTEX B. SART C. EGC D. A&B
2. Which equipment is not the ship terminal equipment of COSPAS-SARSAT system? A. EPIRB B. SART C. PLB D. ELT 3. EPIRB can be activated in case of distress.
A. automatically B. manually C. automatically or manually D. No one of the above 4. What of the following devices may not cause false distress alert? A. Inmarsat MES B. EPIRB combined with SART C. HF/MF/VHF DSC D. independent SART
5. Which of the following wave lengths should be used with general navigational radar for receiving SART signals?
A. 3 cm radar B. 9 cm radar C. 10 cm radar D. 5 cm radar 6. What are the EPIRB lanyards to be used? A. Attach to the ship to prevent the EPIRB floating free
B. To be used by survivors for securing the EPRIB to a survival craft or person in water C. Avoid the EPIRB transmitting alert accidentally D. None of above
7. The working frequency of the SART is? A. 1 to 27.5 MHz B. 406 to 406.1 MHz C. 1 530 to 1 544 MHz D. 9 200 to 9 500 MHz
8.'What is the positioning accuracy of the EPRIB in the COSPAS/SARAT? A. 1 to 2 n mile B. 2 to 3 n mile C. 5 n mile D. 10 n mile
9.With the antenna of the SART 1.5 meter above the sea level, and on the search height of 3 ,000 ft, the detection
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range of SAR airplane will up to . A. 5 n mile B. 10 km C. 10 n mile D.40 n mile
10. Complying with IMO requirements, the detection range between a SART and a search RADAR is___ A. 1.8 n miles B.2.5 n miles C. 2. On miles D.5.0 n miles
11. As the search craft approaches to the SART, the Radar display may shows . A. a line of 12 blip code-wide arcs—complete circles B. complete circles-a line of 12 blip code—wide arcs C. complete circles-wide arcs-a line of 12 blip code D. wide arcs-complete circles-a line of 12 blip code
12. Which of the following factors will affect the detecting range of SART? A. the weather conditions ' *
B. The type of radar used, and how it is used
C. the mounting of the SART on the survival craft D. all of above
13. How many 9 GHz SART will be requirement by the cargo ships above 500 GT? A. 1 B. 2 C. 3 D.4
14. In the COSPAS-SARSAT system, there are types of beacons at present? A. 3 B.2 C.l D.4
15. Which frequency is used for COSPAS-SARSAT EPIRB? A. 406 MHz B. 1.6 GHz C. 156.525 MHz D. VHF CH70
16. What indication is given to the personnel of survival craft of the approach of another vessel? A. The SART will provide a visual or audible indication of interrogation by a 3-cm radar B. The Satellite EPIRB will emit an audible signal
C. The VHF portable radio will emit an audible alarm signal on 156. 525 MHz D. The VHF portable will provide a visual indication 17. How can a SART's effective range be maximized? A. The SART should be placed in water immediately upon activation B. The SART should be held as high as possible C. Switch the SART into the \D. If possible, the SART should be mounted horizontally so that its signal matches that of the searching radar signal J '
18. At what point does a SART begin transmitting? A. It immediately begins radiating when placed in the \B. It must be manually activated
C. If it has been placed in the \signal D. If it has been placed in the \ting that it is in water
19. What does a SART signal sound or look like? A. It transmits \
B. It will appear on a radar unit' s PPI as a line of dots radiating outward with the innermost dot indicating the SART' s position
C. It will appear on a radar unit's PPI as a line of dots radiating outward with the outermost dot indicating the SART's position D. None of the above
20. How can rescue personnel detect that a SART is transmitting in the immediate vicinity?
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A. The SART's dots on the PPI will begin arming and eventually become concentric circles B. The DSC unit will react to the SART's signal and respond with the two-tone auto alarm
C. The SART can provide an approximate location to within a two nautical mile radius, per IMO standards D. The SART signal appears as a target which comes and goes; the effect of heavy swells on a SART 21. How should the signal from a Search and Rescue Radar Transponder appear on a radar display? A. A series of dashes
B. A series of spirals all originating from the range and bearing of the SART C. A series of 12 equally spaced dots D. A series of twenty dashes
22. In which frequency band does a search and rescue transponder operate? A. 3 GHz B.9 GHz C. S-band D. 406 MHz 23. Which statement is NOT true regarding the SART? A. Responds to interrogations by a vessel' s X-Band radar
B. Transmits on the 9 GHz band reserved for navigational radar C. Operates in conjunction with a vessel's S-Band radar D. Transmits a distinct^ code for easy recognition
24. Which statement is NOT true regarding the SART? A. Responds to interrogations by a vessel's X-Band radar
B. This is a 6 GHz transponder capable of being received by a vessel's X-band navigational radar system
C. This is a 9 GHz transponder capable of being received by another vessel's X-band navigational radar system D. Transmits a distinctive signal for easy recognition 25. A SART's signal cannot be detected; .
A. In poor visibility or at night B. In heavy seas
C. By a search vessel' 10 cm Radar D. By a search vessel's 3 cm Radar 26. A radar transponder operating in the 9 GHz band; . A. Is required only on GMDSS-equipped ships operating in coastal areas B. Must be carried on all GMDSS equipped ships
C. Must be carried on GMDSS-equipped ships that do not carry a satellite EPIRB D. Must be carried on GMDSS-equipped ships operating outside of operational ocean area Al
27. The SART should have sufficient battery capacity to operate in the stand-by condition for___hours and should continuously work for___hours. A. 120 / 20 B.56/18 C. 100 / 16 D.96/8
28. For locating the ship in distress, the SAR party will make use of by starting 9GHz shipborne or airborne radars. A. DSC B. SART C. EPIRB D. NBDP
29. At least ___ shall be carried on each-side of every passenger ship. A. one radar transponder B. two radar installations C. three radar apparatus D. two radio transceiver 30. Navigation system is composed of SART and___.
A. X-band radar B. S-band radar C. two-way VHF set D. VHF with DSC
31. Which is a function of a satellite under COSPAS-SARSAT using satellite EPIRBs? A. Vessel information recovered from the digital encoded message provided by the satellite EPIRB B. Doppler shift of EPIRB signal is measured
C. Information received from EPIRBs are time-tagged and transmitted to any Local User Terminal in the satellite's view D. All of these
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32. Which of the following satellite systems is of particular importance to search and rescue missions under GMDSS?
A. COSPAS/SARSAT B. AMSAT C. NASA/Arienne D. COMSAT 33. Which of the following statements concerning COSPAS-SARSAT is true? A. EPIRBs are units that are used as alerting devices
B. These are satellites in a low-earth polar orbit that detect EPIRB beacons on 406 MHz and relay the information to an earth-side Local User Terminal (LUT)
C. The Doppler frequency measurement concept is used to determine the EPIRBS location D. All of the above
34. Which of the following statements concerning COSPAS-SARSAT is false? A. EPIRBs are used primarily for distress alerting
B. These satellites are looking specifically for EPIRB signals on 406 MHz
C. These satellites use Doppler shift measurement to determine the location of the beacons D. After initiating a call request and selecting the CES, these satellites may be used for commercial messages 35. Which of the following statements concerning satellite EPIRBs is true? A. Once activated, these EPIRBs transmit a signal for use in identifying the vessel and for determining the position of the beacon
B. The coded signal identifies the nature of the distress situation
C. The coded signal only identifies the vessels name and port of registry D. If the GMDSS Radio Operator does not program the EPIRB, it will transmit default information such as the follow-on communications frequency and mode
36. What feature(s) may be found on certain satellite EPIRB units?
A. Strobe light B. Emergency transmission on 406 MHz C- Float-free release bracket D. All of these . ;
37. What feature is not found on 406 MHz satellite EPIRB units? A. 121. 5 MHz emergency homing transmitter B. Aural locator signal
C. Emergency transmission on 406)025 MHz D. Float-free release bracket
38. Which EPIRB transmits a distress alert that is received and relayed by an Inmarsat satellite? A. Class A EPIRBs B. Class B EPIRBs C. L-band EPIRBs D. Category I EPIRBs
39. Which piece of required GMDSS equipment is the primary source of transmitting locating signals? A. Radio Direction Finder B. An EPIRB transmitting on 4.06 MHz C. Survival Craft Transceiver D. A SART transmitting on 406 MHz 40. What is an example of a locating signal?
A. SSB phone traffic B. Ship to shore transmissions C. Loran C , D. A Float-Free EPIRB
41. Which action should the GMDSS radio operator take in a distress situation when embarking in survival craft? A. Switch on EPIRB and SART immediately and leave on
B. EPIRB and SART switched on manually prior to embarking; remain aboard vessel in distress C. Notify RCC (Rescue Coordination Center) through VHF DSC in portable equipment D. Communicate via Inmarsat-C from the survival craft
42. Which is the key part of the search and rescue system under GMDSS? A. COSPAS/SARSAT satellites B. AMSAT satellites
C. NASA satellites D. US Space Agency satellites
43. Which statement is true regarding the COSPAS-SARSAT system?
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A. EPIRBs are used as satellite beacons aboard vessels as alerting devices
B. Signals received by low altitude near-polar orbiting satellites are relayed to a ground receiving station, called a Local User Terminal
C. Doppler shift is used to locate the beacons D. All of these
44. Which statement is NOT true regarding the COSPAS-SARSAT system? A. EPIRBs are used, as satellite beacons aboard lifeboats as alerting devices B. Locates distress beacons transmitting on 406 MHz C. Doppler shift is used to locate the beacons D. May be used to transmit public correspondence
45. What information is transmitted by a 406 MHz EPIRB alert?
A. Vessel position and nature of distress B. A unique Hexadecimal I. D. number C. Vessel name and identification D. None of the above
46. Which statement is true regarding the COSPAS-SARSAT system and EPIRB operations A. The EPIRB' s position is calculated by the system and passed to the RCC
B. The EPIRB transmits a unique Hex ID and vessel position that is passed to the RCC C. The EPIRB transmits a unique Hex ID that is passed to the RCC D. Both A and C are true
47. Distress beacons transmit signals that are detected by COSPAS-SARSAT spacecraft in____ A. high altitude, polar orbit B. low altitude, polar orbit
C. high altitude, geostationary orbit D. low altitude, geostationary orbit
48____means a service which is based on polar orbiting satellites which receive and relay distress alerts from satellite EPIRBs and which provides their position. A. Inmarsat Service B. GPS Service C. Polar Orbiting Satellite Service D. MSI Service
49 .____is a ground receiving station which receives alert data from COSPAS and SARSAT satellites , derives the position of the beacon. Retrieves and checks coded information and forwards the resultant information. A.LUT B. MCC C. RCC D.SPOC
50 ____is a satellite-aided SAR system based on low-altitude near-polar-orbiting satellites and designed to locate distress beacons transmitting on the frequencies 121.5 MHz and 406 MHz. A. GPS system B. NNSS system
C. Inmarsat system D. COSPAS-SARSAT system 51. COSPAS-SARSAT has the function of____ . A. Distress alerting B. distress communication C. broadcasting MSI D. On-scene communication 52. What is COSPAS-SARSAT?
A. an international satellite system for improving communications in polar regions B. an international satellite system using a number of polar-orbiting satellites C. primary used for search and rescue D. A. B and C
53. For COSPAS-SARSAT system,____process the distress signal from EPIRB to determine its position and identity. A. COSPAS-SARSAT B. Ground receiving stations C. Spacecraft D. Satellite SAR instrument
54. For COSPAS-SARSAT system, ____transmit distress alert and location information to appropriate rescue authorities all over the world.
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