Restricted Radio Operator Certificate (Rroc) Reviewer

By Rion Sigaya
Rion Sigaya, 3D animator
Jan Michael 'Rion' Sigaya, a former 3D animator turned licensed pilot with a Flight Instructor (FI) license, adeptly navigated the skies before unforeseen pandemic challenges led him back to his roots in the world of 3D animation.
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Restricted Radio Operator Certificate (Rroc) Reviewer - Quiz


Questions and Answers
  • 1. 

    Which is a distress signal?

    • A.

      SECURITE spoken 3x

    • B.

      MAYDAY spoken 3x

    • C.

      SEELONCE spoken 3x

    • D.

      PAN spoken 3x

    Correct Answer
    B. MAYDAY spoken 3x
    Explanation
    MAYDAY spoken 3x is a distress signal used in emergency situations, particularly in maritime and aviation contexts. It indicates that the person or vessel is in immediate danger and requires immediate assistance. The repetition of the word "MAYDAY" three times is done to ensure that the distress signal is clearly understood and to grab the attention of anyone monitoring the communication. This signal is universally recognized and should only be used in genuine emergencies.

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  • 2. 

    Expression to be used by the station in distress when imposing silence to any station causing interference?

    • A.

      Seelonce Distress

    • B.

      Seelonce All Stations

    • C.

      Mayday Mayday

    • D.

      Seelonce Mayday

    Correct Answer
    D. Seelonce Mayday
    Explanation
    The correct answer is "Seelonce Mayday". "Seelonce" is a maritime distress signal used to indicate that a station in distress needs to communicate without any interference. "Mayday" is an internationally recognized distress signal used in radio communications to indicate that a vessel or aircraft is in grave and imminent danger and requires immediate assistance. Therefore, "Seelonce Mayday" is the appropriate expression for a station in distress to use when imposing silence on any station causing interference.

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  • 3. 

    How to pronounce 121.5?

    • A.

      Wun Too Wun Fife

    • B.

      One Two One Point Five

    • C.

      Wun Too Wun Dey-See-Mal Fife

    • D.

      One Two One Decimal Five

    Correct Answer
    C. Wun Too Wun Dey-See-Mal Fife
    Explanation
    The correct answer is "Wun Too Wun Dey-See-Mal Fife" because it follows the standard pronunciation of numbers. In this case, "121" is pronounced as "Wun Too Wun Dey-See-Mal" and the decimal point is pronounced as "Fife".

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  • 4. 

    When operations are different time zone, how should the date and the time of the day be expressed if it is 4:20pm(EST) of the 16th day of the month?

    • A.

      161620E

    • B.

      421600E

    • C.

      164200E

    • D.

      160420E

    Correct Answer
    A. 161620E
    Explanation
    The given answer "161620E" is the correct expression for the date and time in different time zones. It follows the format of "DDHHMMZ", where "DD" represents the day, "HH" represents the hour, "MM" represents the minute, and "Z" represents the time zone. In this case, "16" represents the 16th day of the month, "16" represents the hour (4:00pm), "20" represents the minute (4:20pm), and "E" represents the Eastern Standard Time (EST) time zone. Therefore, "161620E" accurately represents the given date and time in a different time zone.

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  • 5. 

    When the condition concerning the safety of the aircraft/vehicle/person on-board but does not require immediate assistance is?

    • A.

      Blind Transmission

    • B.

      Urgency

    • C.

      Distress

    • D.

      All other aeronautical message

    Correct Answer
    B. Urgency
    Explanation
    The correct answer is "Urgency." Urgency refers to a condition concerning the safety of the aircraft/vehicle/person on-board that does not require immediate assistance. It signifies a situation that may develop into a distress condition if no action is taken. Unlike distress, urgency does not involve an immediate threat to life or property, but it still requires prompt attention to prevent the situation from worsening. Blind transmission, distress, and all other aeronautical messages are not the correct answers as they do not accurately describe a condition that requires immediate assistance or the safety of the aircraft/vehicle/person on-board.

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  • 6. 

    UHF band is?

    • A.

      300-3000 KHz

    • B.

      300-3000 GHz

    • C.

      30-300 MHz

    • D.

      300-3000 MHz

    Correct Answer
    D. 300-3000 MHz
    Explanation
    The UHF band refers to the Ultra High Frequency band, which is commonly used for television broadcasting, mobile phones, and wireless communication devices. The correct answer is 300-3000 MHz, as this range falls within the UHF band and is widely used for various communication purposes.

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  • 7. 

    Aircraft PR123 is requiring a signal check from manila tower, how should manila tower respond if the signal is readable but with difficulty?

    • A.

      Papa Romeo wun too tree. This is Manila Tower reading you Strength One, Over

    • B.

      Papa Romeo wun too tree. This is Manila Tower reading you Strength Two, Over

    • C.

      Papa Romeo wun too tree. This is Manila Tower reading you Strength Three, Over

    • D.

      Papa Romeo wun too tree. This is Manila Tower reading you Strength Four, Over

    Correct Answer
    C. Papa Romeo wun too tree. This is Manila Tower reading you Strength Three, Over
    Explanation
    If the signal is readable but with difficulty, Manila Tower should respond by saying "Papa Romeo wun too tree. This is Manila Tower reading you Strength Three, Over." This indicates that Manila Tower is able to receive the signal, but it is not coming in very clearly. The response also includes the appropriate call signs and confirms that the message has been understood.

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  • 8. 

    Where should an operator certificate be placed?

    • A.

      At the hanger

    • B.

      At the Office

    • C.

      At the aircraft

    • D.

      Carried along by radio operator at all times

    Correct Answer
    D. Carried along by radio operator at all times
    Explanation
    An operator certificate should be carried along by the radio operator at all times. This is because the certificate is an important document that verifies the operator's qualifications and authorization to operate the radio equipment. By carrying it at all times, the operator can easily present it when required, such as during inspections or when requested by authorities. Placing it at the hangar, office, or aircraft may not be sufficient as it may not be readily accessible when needed.

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  • 9. 

    What should be done before transmitting over a radio to avoid interference?

    • A.

      Jam the transmission

    • B.

      Listen before transmitting

    • C.

      Turn off the radio

    • D.

      None of the above

    Correct Answer
    B. Listen before transmitting
    Explanation
    Before transmitting over a radio, it is important to listen before transmitting to avoid interference. This allows the person to check if there is already ongoing communication on the same frequency or if there is any interference that could disrupt the transmission. By listening first, one can ensure that the channel is clear and avoid interrupting or being interrupted by other transmissions.

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  • 10. 

    What is the minimum requirement in order to qualify for RROC-Aircraft examination at NTC?

    • A.

      25 years of age

    • B.

      Graduate at GRCO Course

    • C.

      Holder of aircraft pilot student license

    • D.

      Electronics Engineer

    Correct Answer
    C. Holder of aircraft pilot student license
    Explanation
    To qualify for the RROC-Aircraft examination at NTC, the minimum requirement is to be a holder of an aircraft pilot student license. This means that the individual must have obtained the necessary license to be considered eligible for the examination. The other options mentioned, such as being 25 years of age, being a graduate of the GRCO Course, or being an Electronics Engineer, are not mentioned as requirements for the qualification. Therefore, the correct answer is the holder of an aircraft pilot student license.

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  • 11. 

    In a serious aircraft system failure that require immediate change in route or altitude, what is the initial communication?

    • A.

      Securite

    • B.

      Seelonce

    • C.

      Mayday Mayday Mayday

    • D.

      Pan Pan Pan

    Correct Answer
    D. Pan Pan Pan
    Explanation
    In a serious aircraft system failure that requires an immediate change in route or altitude, the initial communication should be "Pan Pan Pan." This phrase is used to indicate an urgent situation that is not immediately life-threatening, such as a mechanical problem or a medical emergency onboard. It alerts air traffic control and other nearby aircraft of the situation and requests assistance or priority handling. It is important to use the correct phrase to ensure clear and effective communication during emergencies.

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  • 12. 

    International expression to indicate that the distress situation has ended?

    • A.

      Distress Fenee

    • B.

      End Mayday

    • C.

      No Distress

    • D.

      Seelonce Fenee

    Correct Answer
    D. Seelonce Fenee
    Explanation
    "Seelonce Fenee" is the international expression used to indicate that the distress situation has ended. This phrase is derived from the French term "silence fini," which means "silence finished." It is used in maritime communications to inform others that the distress signal or emergency situation is no longer in effect and that normal operations can resume.

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  • 13. 

    What is the correct priority of radio messages in the aeronautical service?

    • A.

      Distress, Urgent Communications (relating to direction finding), flight safety, flight regularity, meteorological message

    • B.

      Urgent Communications (relating to direction finding), flight safety, all other aeronautical communications, meteorology

    • C.

      Distress, Urgent Communications (relating to direction finding), flight safety, meteorology, flight regularity message

    • D.

      Urgent Communications (relating to direction finding), flight regularity message, meteorological, all other aeronautical message

    Correct Answer
    C. Distress, Urgent Communications (relating to direction finding), flight safety, meteorology, flight regularity message
    Explanation
    The correct priority of radio messages in the aeronautical service is as follows: distress messages have the highest priority, followed by urgent communications relating to direction finding, flight safety, meteorology, and finally flight regularity messages.

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  • 14. 

    What is the normally used for ATIS broadcasts?

    • A.

      Discrete VHF frequency and/or VOR

    • B.

      DME Voice Channel

    • C.

      NDB frequencies

    • D.

      VOR Channel

    Correct Answer
    A. Discrete VHF frequency and/or VOR
    Explanation
    ATIS broadcasts are typically transmitted on a discrete VHF frequency and/or VOR. VHF frequencies are commonly used for communication between aircraft and air traffic control, making them suitable for broadcasting ATIS information. VOR (VHF Omnidirectional Range) is a navigational aid that provides aircraft with information about their position and heading. Since VOR stations are already equipped with transmitters, they can also be used to transmit ATIS broadcasts. Therefore, both discrete VHF frequencies and VOR can be used for ATIS broadcasts.

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  • 15. 

    BLIND TRANSMISSION means?

    • A.

      Transmission of Information relating to air navigation that is not addressed to a specific station

    • B.

      Transmission from one station in another station in circumstances where two-way communication cannot be established but it is believed that the called station is able to receive the information

    • C.

      A transmission of messages relating to in-route weather information which may affect the safety of aircraft stations that is not addressed to a specific station

    • D.

      Transmission where no reply is required from the receiving station

    Correct Answer
    B. Transmission from one station in another station in circumstances where two-way communication cannot be established but it is believed that the called station is able to receive the information
    Explanation
    BLIND TRANSMISSION refers to the act of transmitting information from one station to another in situations where two-way communication cannot be established. This means that the transmitting station believes that the receiving station is capable of receiving the information, even though there is no confirmation or reply from the receiving station. It is a way of sending important messages when direct communication is not possible.

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  • 16. 

    Aircraft PR123 is requesting signal check from Manila tower, how should manila tower respond if the signal is readable?

    • A.

      Papa Romeo wun too tree. This is Manila Tower reading you Strength Two, Over

    • B.

      Papa Romeo wun too tree. This is Manila Tower reading you Strength Three, Over

    • C.

      Papa Romeo wun too tree. This is Manila Tower reading you Strength One, Over

    • D.

      Papa Romeo wun too tree. This is Manila Tower reading you Strength Four, Over

    Correct Answer
    D. Papa Romeo wun too tree. This is Manila Tower reading you Strength Four, Over
    Explanation
    The correct answer is "Papa Romeo wun too tree. This is Manila Tower reading you Strength Four, Over." This response indicates that the signal from Aircraft PR123 is readable and has a strength of four. The phrase "Papa Romeo wun too tree" is the phonetic representation of the numbers 123. The response also includes the phrase "This is Manila Tower reading you," confirming that Manila Tower has received the signal. The word "Over" is used to indicate the end of the transmission and to prompt a response from the aircraft.

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  • 17. 

    It is established to provide safe, orderly and expeditious flow of traffic in vicinity of an airport?

    • A.

      Flight Service Station

    • B.

      Automatic terminal information service

    • C.

      Air Traffic Control

    • D.

      Control Traffic Region

    Correct Answer
    C. Air Traffic Control
    Explanation
    Air Traffic Control is established to provide safe, orderly and expeditious flow of traffic in the vicinity of an airport. Air Traffic Control is responsible for managing and directing the movement of aircraft on the ground and in the air, ensuring that they maintain safe distances from each other and follow established flight paths. They communicate with pilots, provide weather information, and coordinate takeoffs, landings, and taxiing. Their primary goal is to maintain the highest level of safety for all aircraft operating in their airspace.

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  • 18. 

    When making initial contact with the air control tower the pilot of the aircraft CESSNA – NBZQ should say. This is?

    • A.

      Nancy Baker Zulu Queen

    • B.

      November Baker Zebra Quebec

    • C.

      NBZQ

    • D.

      November Bravo Zulu Quebec

    Correct Answer
    D. November Bravo Zulu Quebec
    Explanation
    The correct answer is "November Bravo Zulu Quebec" because in aviation communication, the pilot should use the NATO phonetic alphabet to spell out the aircraft's call sign. In this case, "N" is represented by "November," "B" is represented by "Bravo," "Z" is represented by "Zulu," and "Q" is represented by "Quebec."

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  • 19. 

    An aircraft station that is not in distress should transmit the distress message only when?

    • A.

      The station in distress is not in the position to transmit the message

    • B.

      The person in-command of the station unit in distress believes further help is necessary

    • C.

      Aircraft station has transmitted distress message which has not been acknowledge

    • D.

      All of the above

    Correct Answer
    B. The person in-command of the station unit in distress believes further help is necessary
    Explanation
    When an aircraft station is not in distress, it should transmit a distress message only when the person in command of the station unit in distress believes that further help is necessary. This means that the decision to transmit a distress message is based on the judgment of the person in command of the distressed station, who determines if additional assistance is required.

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  • 20. 

    VHF band for International Distress Frequency is?

    • A.

      121.5 KHz

    • B.

      121.5 MHz

    • C.

      243.0 KHz

    • D.

      243.0 GHz

    Correct Answer
    B. 121.5 MHz
    Explanation
    The correct answer is 121.5 MHz. VHF stands for Very High Frequency, and it is a range of radio frequencies commonly used for communication purposes. The International Distress Frequency is a specific frequency designated for emergency situations, such as distress calls from ships or aircraft in need of assistance. In this case, the International Distress Frequency is 121.5 MHz, which means that if someone is in distress and needs help, they should transmit their distress call on this frequency to increase the chances of being heard and receiving assistance.

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  • 21. 

    During a flight, one of the cabin crew becomes seriously ill. In order to land promptly and obtain medical assistance, the aircraft captain should prefix the message with?

    • A.

      Pan Pan Pan

    • B.

      AIREP

    • C.

      Mayday Mayday Mayday

    • D.

      Securite Securite Securite

    Correct Answer
    A. Pan Pan Pan
    Explanation
    During a flight, if one of the cabin crew becomes seriously ill, the aircraft captain should prefix the message with "Pan Pan Pan". This is because "Pan Pan Pan" is the international radio distress call used to indicate an urgent situation that is not immediately life-threatening. It is used to request assistance and prompt landing for medical help. "Mayday Mayday Mayday" is used for life-threatening emergencies, while "Securite Securite Securite" is used for safety-related announcements. "AIREP" is an abbreviation for Aircraft Report and is not appropriate in this situation.

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  • 22. 

    High frequency band is?

    • A.

      3-30 GHz

    • B.

      30-300 KHz

    • C.

      3-30 MHz

    • D.

      3-30 KHz

    Correct Answer
    C. 3-30 MHz
    Explanation
    The correct answer is 3-30 MHz. The high frequency band refers to the range of electromagnetic frequencies between 3 and 30 MHz. This range is commonly used for various communication purposes, including shortwave radio broadcasting, amateur radio, and aviation communications. It is called the high frequency band because it is higher in frequency compared to the very low frequency (VLF) and low frequency (LF) bands, but lower in frequency compared to the very high frequency (VHF) and ultra high frequency (UHF) bands.

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  • 23. 

    A report of actual weather conditions encountered by an aircraft while in flight?

    • A.

      MOR

    • B.

      AIREP

    • C.

      BIR

    • D.

      CTR

    Correct Answer
    B. AIREP
    Explanation
    An AIREP refers to a report of actual weather conditions encountered by an aircraft while in flight. It provides important information about the current weather conditions, such as temperature, wind speed and direction, cloud cover, and turbulence. These reports are crucial for other pilots and air traffic controllers to make informed decisions and ensure the safety of flights. AIREPs are usually transmitted via radio or data link to relevant authorities and are used for weather forecasting and flight planning purposes.

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  • 24. 

    The RT phraseology that conveys the meaning of "Your last message received, understood and will be complied with" is:

    • A.

      Roger

    • B.

      Verify

    • C.

      Wilco

    • D.

      Affirmative

    Correct Answer
    C. Wilco
    Explanation
    The phrase "Wilco" is the correct answer because it is a combination of the words "will" and "comply." In aviation and military communication, "Wilco" is used as an acknowledgment to indicate that a message has been received, understood, and will be complied with. It is a concise and efficient way to convey this information. "Roger" is used to indicate that a message has been received and understood, but it does not imply that the message will be complied with. "Verify" is used to request confirmation or clarification, and "Affirmative" is used to indicate agreement or a positive response, but neither of these phrases conveys the specific meaning of "Your last message received, understood and will be complied with."

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  • 25. 

    If your transmission has ended and a reply is expected from the ground station, the last word of your transmission will be:

    • A.

      Over

    • B.

      Break

    • C.

      Out

    • D.

      Wilco

    Correct Answer
    A. Over
    Explanation
    When communicating over radio or walkie-talkie, the term "Over" is used to indicate that the speaker has finished transmitting and is now awaiting a response. It signifies that the speaker is expecting a reply from the ground station or the person they are communicating with. Therefore, "Over" is the correct answer as it is the appropriate word to use when ending a transmission and expecting a response.

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  • 26. 

    You have received and understood a message transmitted to you.You should acknowledge receipt of the message with:

    • A.

      Understood

    • B.

      Copy

    • C.

      Wilco

    • D.

      Roger

    Correct Answer
    D. Roger
    Explanation
    The correct answer is "Roger." In communication, "Roger" is a term used to acknowledge that a message has been received and understood. It is commonly used in radio communication and is derived from the phonetic alphabet where "R" stands for "Received" and "Roger" represents the letter "R." By responding with "Roger," the recipient confirms that they have received the message and understood its content.

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  • 27. 

    The distress message shall contain as many as possible of the following elements/details:

    • A.

      Communication (Relating to direction finding), flight safety, flight regularity message

    • B.

      Urgency Messages, Including messages preceded by the medical transports signal

    • C.

      Aircraft Call sign, nature if distress, pilot’s intention, present position, level and heading

    • D.

      None of the above

    Correct Answer
    C. Aircraft Call sign, nature if distress, pilot’s intention, present position, level and heading
    Explanation
    The distress message should include the aircraft call sign, nature of distress, pilot's intention, present position, level, and heading. These elements are crucial for search and rescue teams to locate and assist the aircraft in distress effectively. The call sign helps identify the specific aircraft, while information about the nature of distress and pilot's intention allows responders to understand the severity of the situation and plan their actions accordingly. The present position, level, and heading provide vital information for search and rescue teams to determine the aircraft's location and trajectory.

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Rion Sigaya |3D animator |
Jan Michael 'Rion' Sigaya, a former 3D animator turned licensed pilot with a Flight Instructor (FI) license, adeptly navigated the skies before unforeseen pandemic challenges led him back to his roots in the world of 3D animation.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 09, 2018
    Quiz Created by
    Rion Sigaya
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