Exam Questions and CORRECT Answers
20C6 Which of the following logkeeping statements is FALSE? - CORRECT ANSWER -
entries of all company communications using GMDSS satellite equipment are required
66I1 Which of the following best describes Inmarsat-C operation - CORRECT ANSWER -
Is a digital store-and-forward system that also provides Enhanced Group Call, data
reporting,polling and Distress alerting capabilities.
99J6 What would be an indication of a malfunction on a GMDSS station with a 24 VDCbattery
system? - CORRECT ANSWER - A constant 30 volt reading on the GMDSS console
voltmeter.
81J5 An ITU simplex channel frequency assignment is defined as: - CORRECT
ANSWER - Transmit and receive frequencies must be identical
81J2 How are paired SSB frequencies normally used? - CORRECT ANSWER - These are
normally used for J3E communications with coast radio stations
1A5 What is the responsibility of compulsory GMDSS vessels? - CORRECT ANSWER -
Every vessel must be able to perform communications functions essential for its own safetyand
the safety of other vessels
55H4 What information is promulgated by the international SafetyNETTM? - CORRECT
ANSWER - MSI
19C3 What are the mandatory DSC watchkeeping bands/channels - CORRECT
ANSWER - 8 MHz HF DSC, 1 other HF DSC, 2 MHz MF DSC and VHF Ch-70.
20C2 Which of the following statements is FALSE - CORRECT ANSWER - Distress
communications heard do not require entries if the vessel did not participate in SAR activity.
, 21D6 What number will a ship station use to identify itself using SITOR (NBDP)? - CORRECT
ANSWER - Five-digit SELCAL or 9-digit SELCAL number identical to MMSI
81J4 For general communications purposes, simplex frequencies are - CORRECT
ANSWER - Normally used between ship stations and private coast stations or for ship-
ship communications.
29E4 Repetition of a DSC Distress alert is normally automatic if not acknowledged after adelay
of: - CORRECT ANSWER - D. 3.5 - 4.5 minutes
24D2 Which of the following would indicate a MOB AIS SART? - CORRECT
ANSWER - 972350058
74I3 What menu function in Inmarsat-C terminals would typically be used to specify an Internet
address destination? - CORRECT ANSWER - The Address book function (or manual
entry) in the SEND/REC or TRANSMIT menu
18C3 While underway, how frequently is the DSC controller required to be tested? - CORRECT
ANSWER - Once a day
63I6 What is the primary purpose of an Iridium LES? - CORRECT ANSWER - The LES
makes the satellite connection between the vessel and the requested shore destination
19C5 Proper watchkeeping includes the following - CORRECT ANSWER - Maintaining a
proper GMDSS radio station log, understanding normal operational indicators, responding to and
comprehending alarms.
41F5 Which is NOT a valid maintenance and testing function for a SART - CORRECT
ANSWER - Operational test with several vessels to determine effective transmitting range.