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between:
0,51 watt.
(+)
510 watt.
625 watt.
100 watt.
Code: CETX The position of a 406 MHz CospasSarsat EPIRB is:
Measured by the “dopler” shift in the signals. (+)
Determined by satellites by means of directional aerials.
Transmitted by the ship.
Passed on by the EPIRB to the satellite.
Code: CRTJ In the Maritime Radio Traffic the order of priority is:
Distress traffic, urgency traffic, safety traffic. (+)
Distress traffic, urgency traffic, safety traffic. (+)
Urgency traffic, distress traffic, safety traffic.
Safety traffic, distress traffic, urgency traffic.
Urgency traffic, safety traffic, routine traffic.
Code: LEMO The DSCcontroller display the following: DOO: 244562000
CH16; S distress sinking. After receiving this DSC message the following is
done immediately:
Listen out on VHF channel 16. (+)
Give a “DSCacknowledgement”.
Call the Chief officer.
Send a “distress alert relay”.
Code: ISXN An area within the radiotelephone coverage of at least one VHF
coast station in which continuous DSC alerting is available is called:
A1. (+)
ASN1.
A2.
Coastal area.
Code: SBCM Distress MF communications should normally be operated:
In J3E mode - on simplex basis. (+)
In J3E mode - on duplex basis.
In G3E mode - on duplex basis.
In G3E mode - on simplex basis.
Code: QDGL The Satellite orbit in the CospasSarsat system is:
Polar. (+)
Semigeostationary.
Heliosynchronous.
Geostationary.
Code: OXKW If a coaststation doesn’t answer a call on VHF working channel
or doesn’t send a reply signal:
You must call on another working channel. (+)
You must call on distress channel.
You can repeat your call after 2 minutes.
You can repeat your call immediately when convinced that no other radio traffic is interfered with.
Code: MELX MF communication is usually provided by:
Ground wave. (+)
Sky wave.
Space wave.
None of the mentioned.
Code: RKPG According to the rules of GMDSS vessels one must be able to
receive MSI with the aid of:
NAVTEX and EGCreceiver. (+)
Emergency portable radio.
HF and VHF DSCencoder.
EPIRB and SART.
Code: OQHJ The number of oscillations of a wave per seconds is called:
Frequency. (+)
Class of emission.
Period.
Wavelength.
Code: CBJF The compulsory testing of a prescribed EPIRB is to be done:
Once a month. (+)
Once in 4 years.
Once a week.
Once a year.
Code: HQQW The category of a DSCcall determines:
The degree of priority. (+)
How the rest of the call is to be composed.
For whom the message is destined.
How to conduct search and rescue.
Code: AKRW According to the rules of GMDSS vessels are equipped with
Code: AKRW According to the rules of GMDSS vessels are equipped with
certain radiocommunication devices depending on:
The trading sea areas. (+)
Their tonnage.
Type of vessel.
Flag state.
Code: OGXE Modulation is:
Blending LF & HF signals. (+)
Deleting carrier wave.
Detecting frequency.
To enhance the side bands in relation to the carrier wave.
Code: EPEH By frequency is meant:
Number of vibrations per unit of time. (+)
Wave length of a loop.
Time lapse of vibrations.
Number of vibrations.
Code: RFPA By wave length is understood:
The distance travelled by a radio vibration in a period. (+)
The propagation speed of a radio vibration in free space.
The propagation direction of a radio vibration.
The length of a single spike in a wave.
Code: DLGY A DSCnotice should be sent on VHFchannel:
70. (+)
67.
13.
16.
Code: DFLS A DSC distress alert is received. The message states that
communication by radiotelex is prefered. One preferably uses:
FEC mode. (+)
SELFEC mode.
JRC mode.
ARQ mode.
Code: MKGM The login of an InmarsatC installation is important:
To inform the NSC that one is available for messages offered. (+)
To inform the LES, that one is available for messages offered.
To keep watch on SatC for safety messages.
To inform the addressee, that one is available for messages offered.
Code: OCSO The MF/HFŧransceiver on board is tuned to the assigned
frequency of a station. To make this connection the following mode is used:
J3E. (+)
J2B.
H3E.
G3E.
Code: PBQI The ID of an InmarsatM station on board starts with:
6. (+)
4.
3.
1.
Code: SIXI On which frequency a ship must maintain a continuous watch
when sailing in area A2?
2 187,5 kHz. (+)
2 182 kHz.
8 414,5 kHz.
4 207,5 kHz.
Code: UQXF Silencing by a station, not in charge of the distressŧraffic, is
done as follows:
“SEELONCE DISTRESS” followed by the silencing station’s callsign. (+)
“SEELONCE MAYDAY” followed by the silencing station’s callsign.
“SEELONCE MAYDAY” followed by the callsign of the ship in distress.
“SILENCE DISTRESS” followed by call sign of the ship in distress.
Code: ECSD When sending an OBS (weather report) with Inmarsat one
should use Service Code “41”. With this address the weather report will
always be transmitted to:
The meteorological station connected with the CES used. (+)
KNMI in Holland.
The meteorological office of the ship’s flag state.
MET office Washington, this office will take care of further dispatch of the weather reports.
Code: JDTO Which equipment will detect a signal from a SART transponder?
S band radar. (+)
Radio Direction Finder.
X band radar.
DSC receiver.
Code: HCCJ What HFband is generally suitable for long distance
transmission if one of two stations is Located in twilight?
12 MHz. (+)
16 MHz.
22 MHz.
4 MHz.
Code: UPVQ The batteries must be placed in a well ventilated place, so that:
The detonating gas can be discharged. (+)
The person can work in the compartment.
There is sufficient oxygen available for optimum working of the batteries.
The production of detonating gas can be prevented.
Code: KMAT Define the class of emission G3E:
Radiotelephony - Phase Modulation. (+)
Radiotelex and DSC - Frequency shift keying of carrier with error correction.
Radiotelephony - Frequency Modulation.
Radiotelex and DSC - Frequency shift keying of subcarrier with error correction.
Code: QUUS A distress alert sent by Inmarsat to an RCC is sent via:
LES. (+)
LUT.
NCS.
The managers office.
Code: AHGM What do you understand by the initials EPIRB?
This means: Emergency Position Indicating Radio Beacon. (+)
This means: Emergency Plotting Indicator Response Beacon.
This means: Emergency Personal Indicator Rescue Beacon.
This means: Emergency Plotting Indicator Rescue Beacon.
Code: MYBP In radio telephony what is the “URGENCY CALL” which should
be used to indicate that you have a very urgent message to transmit
concerning the safety of another vessel or person?
PANPAN (3 times). (+)
VictorVictor (3 times).
MAYDAYMAYDAY (3 times).
SECURITESECURITE (3 times).
Code: BVJN The display of the DSCcontroller on board is showing the
following lines: RX: 002442000; CH87; D Sellcall Routine. We’re asked to
listen on:
VHFchannel 87. (+)
Channel Delta of the coast station.
Radio telephonychannel 7 in the 8 MHz band.
VHFchannel 16.
Code: CPKJ By the degree of selectivity of a receiver is meant:
Ability to make weak stations audible. (+)
Ability to receive all signals.
Ability to prevent variations in the strength of radio frequency signal received.
Ability to distinguish weak stations from adjacent stronger stations.
Code: RKIX Under GMDSS rules the trading area A1 can be considered to
be:
Within range of VHF coast radio stations. (+)
Polar region.
Within range of MF coast radio stations.
Within the coverage of Inmarsat.
Code: FCIN In maritime communication two international treaties are primarily
involved. They are:
The IMO at London and the ITU at Geneva. (+)
SOLAS and the international treaty for messaging.
The SOLAS and its rules.
GMDSS hand book and MERSAR.
Code: NIDQ The distress message is used when the vessel is threatened by
a serious and imminent danger and is in need of immediate assistance.
What is the telegraphy and telephony distress message like?
S O S (Telegraphy) / MAYDAY (Telephony).(+)
T T T (Telegraphy) / SECURITE (Telephony).
X X X (Telegraphy) / PANPAN (Telephony).
F F F (Telegraphy) / RESCUERESCUE (Telephony).
Code: KUPP With an InmarsatC installation there is the addressingoption
“special”. Via this option:
Give one of Inmarsat’s “special access codes”. (+)
You can plan a message to be delivered at a special time.
You can send a message by express delivery.
You can deliver a message via a special telegram.
Code: VJLS Is it necessary to state the accounting code of the vessel in fully
Code: VJLS Is it necessary to state the accounting code of the vessel in fully
automated radio telexŧraffic with a coaststation?
Yes. (+)
No, because the AAIC is included in the radio telexidentification.
No, when AAIC is unknown, it will be asked for.
It depend upon your location.
Code: PUUL Which type of call will be sent by a ship adrift and needing the
assistance of a tug? The weather is not bad and the ship will be aground 24
hours later.
Urgent call. (+)
Distress relay call.
Safety call.
Distress call.
Code: CIUL How often must inspection of proper working of the EPIRB’s and
SART’s take place on board? Once per:
Month. (+)
Week.
Every day.
14 days.
Code: DOOF The wavelength of a radiosignal reflected against the Flayer
may be:
15 m. (+)
15 cm.
1,5 m.
150 m.
Code: STQL What does the abbreviation DSC means?
Digital Selective Call. (+)
Distress and safety call.
Digital Safety Call.
Distress Selective Call.
Code: CHYN The squelch on the control panel of a VHFsat serves to:
Adjust the threshold level for admitting signals and refusing noise. (+)
Adjust the sound level of the signal received.
Adjust the receivers volume.
Adjust the proportion of atmospheric noise in receiving the spoken word.
Code: AQBN The different layers in the ionosphere, important for radio
propagation, are effected by:
The Sun. (+)
The distance between the transmitter and the receiver.
Direction of the antenna.
The weather conditions.
Code: QKLW The correct functioning of a DSCmodem can be checked by
means of:
The builtin test facility in the modem.
(+)
Tester provided with the equipment.
The testingmode of the ever present VHFÐSCEPIRB.
The obligatory monthly transmission from the RCC’s.
Code: LMQS You have an important navigational or meteorological warning to
transmit. What call should proceed this message when made on the radio
telephone?
SECURITE SECURITE (3 times). (+)
PAN PAN (3 times).
MAYDAY MAYDAY (3 times).
VICTOR VICTOR (3 times).
Code: MFDO A SART must be visible on the ship’s radar from a distance of at
least:
5 miles. (+)
30 miles.
10 miles.
50 miles.
Code: FRFG With an EPIRB:
You must check the date the battery must be replaced. (+)
You must check if it is attached properly to a railing with the required line.
You must check the manufacturer of the battery.
You must check the working of the charger and check the loaded condition of the battery.
Code: QHEK Which word will precede a safety message?
SECURITY. (+)
SAFETY.
PAN PAN.
URGENT.
Code: FQVC In the traffic list a coaststation indicates that there is a radio
telexmessage for a vessel. To call for the message one should put in:
After ga + the radio telexcommand msg + ? (+)
After ga + the radio telexcommand msg +.
After ga + ? the radio telexcommand msg +.
After ga + the telex number of the ship.
Code: DQEU The exact position of a 406 MHz COSPAS SARSAT EPIRB is
eventually calculated by:
The satellite. (+)
LUT.
The EPIRB.
Ship Manager.
Code: PTEU What statement is correct with frequency modulation?
Frequency modulation is often applied in the maritime VHFrange (band). (+)
The amplitude fluctuating an LFrhythm.
The amplitude remain constant.
The frequency is constant.
Code: JWHU DSC uses for automatic identification the MMSI. The
identification 002442000 is assigned to:
A coaststation or coast guardstation.
(+)
A group of vessels.
A type of vessels.
A vessel.
The typeindication of the radio set is mentioned in:
Code: WYYU The typeindication of the radio set is mentioned in:
The safety certificate. (+)
The survey of equipment.
The equipment appendix.
Registry certificate.
Code: LMXF In radioŧelex distress traffic preference is given to FEC because:
Everybody can read along. (+)
Reporting is faster.
A record is maintained.
The system automatically requests repetition when reception garbled.
Code: YNDB At the end of a radio telexconnection, when a “store and
forward” message has been transmitted, the coaststation at least gives a:
Time (in UTC) whereupon the telex for the subscriber is delivered. (+)
Approximate time when telex will be delivered.
Reference number.
Code in letters which will be repeated when the telex has been delivered to the subscriber.
Code: SBVR To get proper conversation discipline in maritime radio traffic:
Only necessary radio conversations are made in a concise and businesslike way. (+)
Communication should be done only as per company’s prescribed schedule.
Every available VHFchannel should always be used.
Only after permission by captain, to send and/or receive on a VHFchannel pointed out the master.
Code: FDJI What is the two letter signal, to be used by flags, radiotelephony
or radiotelegraphy, meaning “Calling All Ships”?
CQ. (+)
CQ. (+)
AS.
TT.
CA.
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