100+ Free RYA SRC/VHF Practice Questions

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2026 Statistics

Key Facts: RYA SRC/VHF Exam

Written Theory Marks

RYA Syllabus

16 years

Minimum Age Limit

RYA Regulations

£76

Official Exam Fee

RYA 2026

Lifetime

License Validity

Ofcom / RYA

10 years

Ofcom Validation Cycle

Ofcom Ship License

406 MHz

EPIRB Satellite Band

COSPAS-SARSAT

The RYA Short Range Certificate (SRC) exam has a £76 fee and consists of a 30-minute written theory paper and a 30-minute hands-on practical assessment at an approved RYA center. It is the legal qualification required to operate a marine VHF radio on a British vessel. The syllabus tests your ability to send DSC distress alerts, format voice distress (Mayday) and urgency (Pan-Pan) calls, operate satellite EPIRBs and radar SARTs, understand simplex/duplex channels, and comply with Ofcom licensing regulations.

Sample RYA SRC/VHF Practice Questions

Try these sample questions to test your RYA SRC/VHF exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the definition of GMDSS Sea Area A1?

A.An area within the radiotelephone coverage of at least one VHF coast station in which continuous DSC alerting is available

B.An area within the radiotelephone coverage of at least one MF coast station in which continuous DSC alerting is available

C.An area within the coverage of an Inmarsat geostationary satellite in which continuous alerting is available

D.The polar regions north of 70 degrees North latitude where satellite coverage is limited

Explanation: GMDSS Sea Area A1 is defined as an area within the radiotelephone coverage of at least one VHF coast station in which continuous DSC (Digital Selective Calling) alerting is available. This area typically extends 20 to 30 nautical miles from the coast. Sea Area A2 covers MF range, Sea Area A3 covers satellite range, and Sea Area A4 represents polar regions.

2Which frequency is the primary international channel for satellite-relayed EPIRB distress alerts?

A.121.5 MHz

B.156.8 MHz

C.406.0 MHz

D.2182.0 kHz

Explanation: Modern EPIRBs (Emergency Position Indicating Radio Beacons) transmit their primary digital distress alerts on 406.0 MHz to the COSPAS-SARSAT satellite system. The satellite system decodes the vessel's unique hex ID and GPS coordinates to coordinate search and rescue. 121.5 MHz is a low-power homing signal, 156.8 MHz is VHF Ch 16, and 2182.0 kHz is MF voice distress.

3On what frequency band does a standard radar Search and Rescue Transponder (SART) operate?

A.406 MHz satellite band

B.9 GHz (X-band) marine radar band

C.156 MHz VHF marine band

D.3 GHz (S-band) marine radar band

Explanation: A standard radar SART operates on the 9 GHz frequency band, which corresponds to X-band (3 cm) marine radars. When it sweeps a signal from an X-band radar, it transmits a series of pulses that display as a line of 12 dots on the rescuer's radar screen. It does not interact with S-band (10 cm) radars or VHF/satellite bands.

4What is the primary international frequency used for NAVTEX broadcasts in English?

A.490 kHz

B.518 kHz

C.2187.5 kHz

D.4209.5 kHz

Explanation: The primary international NAVTEX frequency is 518 kHz, and all broadcasts on this frequency must be in English. It transmits navigational warnings, weather forecasts, and search and rescue alerts. 490 kHz is used for national/local language broadcasts, and 4209.5 kHz is used for tropical zones.

5At what approximate depth range is a Hydrostatic Release Unit (HRU) designed to automatically deploy a float-free EPIRB?

A.Between 1.5 and 4 meters

B.Between 10 and 15 meters

C.At any depth greater than 0.5 meters

D.Only when the vessel capsizes completely and water pressure is lost

Explanation: A Hydrostatic Release Unit (HRU) uses water pressure to cut the securing bolt and release the EPIRB before the vessel sinks too deep. It is designed to activate at a depth between 1.5 and 4 meters. Setting it shallower prevents premature release by heavy seas, and setting it deeper increases the risk of the EPIRB getting trapped by the vessel's superstructure.

6How will a radar Search and Rescue Transponder (SART) appear on a rescue vessel's X-band radar screen as they approach from several miles away?

A.A series of 12 radial dots extending outwards from the SART's position

B.A single bright flashing circle centered on the radar sweep

C.A solid triangle showing the vessel's course and speed vector

D.A red warning banner indicating a GMDSS emergency alert

Explanation: On an X-band (3 cm) radar screen, a SART appears as a line of 12 dots extending outwards from the transponder's location. As the rescue vessel gets very close, these dots broaden into arcs and eventually become concentric circles, indicating they are in the immediate vicinity. It does not display vectors or warning banners.

7What is the defined range of GMDSS Sea Area A2?

A.Within the coverage of VHF coast stations (20-30 miles)

B.Within the coverage of Medium Frequency (MF) coast stations with continuous DSC alerting (typically up to 150 miles)

C.Within geostationary satellite coverage between 70 degrees North and 70 degrees South

D.Areas beyond Sea Areas A1, A2, and A3, typically the polar zones

Explanation: GMDSS Sea Area A2 covers the area within the radiotelephone range of at least one Medium Frequency (MF) coast station with continuous DSC alerting. This typically extends up to 150 nautical miles offshore, excluding Sea Area A1. A1 is VHF, A3 is satellite, and A4 is polar.

8Which GMDSS Sea Area covers maritime regions within the footprint of geostationary satellites, excluding Sea Areas A1 and A2?

A.Sea Area A1

B.Sea Area A2

C.Sea Area A3

D.Sea Area A4

Explanation: GMDSS Sea Area A3 covers the footprint of geostationary satellites (such as Inmarsat), which covers latitudes between 70 degrees North and 70 degrees South, excluding Sea Areas A1 and A2. Areas beyond this are classified as Sea Area A4.

9Under GMDSS regulations, which system provides digital paging to establish initial radio contact before voice communication begins?

A.EPIRB

B.DSC (Digital Selective Calling)

C.AIS (Automatic Identification System)

D.NAVTEX

Explanation: DSC (Digital Selective Calling) acts as a digital paging system in GMDSS. It allows a vessel to transmit a digital alert to all stations or a specific station, indicating the channel they wish to use for subsequent voice or data communication. EPIRBs are for distress beacons, AIS is for collision avoidance and tracking, and NAVTEX is for maritime safety information.

10What is the primary operational function of an EPIRB?

A.To send routine position reports to the coast guard

B.To broadcast navigation hazards to nearby ships

C.To transmit a distress alert to satellites to locate a vessel and coordinate rescue

D.To transmit a radar signal showing target coordinates on search vessels

Explanation: An EPIRB is designed to transmit a digital distress alert to COSPAS-SARSAT satellites on 406 MHz. This alert includes the vessel's unique identity (and GPS position if GPS-equipped), enabling rescue coordination centers to launch search and rescue operations. It does not transmit routine reports or radar signals.

About the RYA SRC/VHF Exam

The RYA Marine Radio Short Range Certificate (SRC) is the legal minimum qualification required to operate a marine VHF radio (with or without Digital Selective Calling) on a UK-flagged vessel. The written theory paper evaluates your knowledge of the GMDSS framework (sea areas A1 to A4), safety equipment operations (EPIRBs, radar SARTs, NAVTEX), VHF channel allocation (simplex vs. duplex, distress channel 16, DSC channel 70, working safety channels), emergency call formats (Mayday, Mayday Relay, Pan-Pan, Securite), Ofcom licensing regulations, and the ITU phonetic alphabet.

Assessment

28-mark written theory paper (mixture of multiple-choice, short answer, and protocol writing) and a practical assessment on simulated VHF/DSC radios

Time Limit

1 hour (30 minutes for the written paper and 30 minutes for the practical assessment)

Passing Score

Competent (requires passing both the written theory paper and the hands-on practical scenario evaluation)

Exam Fee

£76 (Royal Yachting Association (RYA) and Ofcom)

RYA SRC/VHF Exam Content Outline

20%

GMDSS & DSC Alerting Principles

Understanding GMDSS sea areas (A1-A4), satellite EPIRB operation (406/121.5 MHz), radar SART displays (9 GHz), NAVTEX safety broadcasts (518/490 kHz), and DSC digital paging channels.

20%

VHF Channel Plan & Radio Operations

Operational rules for simplex vs. duplex channels, specific channel allocations (Channel 16 voice calling, 70 DSC, 06 inter-ship safety, 13 navigation, 80 port operations), squelch threshold adjustment, power limits (1W vs 25W), and radio horizon line-of-sight range calculations.

30%

Emergency voice communications

Detailed formatting for Mayday voice calls, distress alerts, Mayday Relay procedures, Pan-Pan urgency alerts, Securite safety broadcasts, radio silence protocols (Seelonce Mayday/Distress/Feenee, Prudonce), and procedural words (Over, Out, Roger, Say Again).

15%

UK Regulations & Licensing Rules

Rules for Ofcom Ship Radio Licenses and validation cycles, Ship Portable Radio Licenses, personal RYA operator certificates, Supreme Authority of the Master, Secrecy of Communications regulations, and penalties for transmitting hoax distress alerts.

15%

Phonetics & Radio Spelling

Correct spelling of boat identifiers, call signs, and coordinates using the ITU phonetic alphabet (Alfa to Zulu) and standardized maritime digit pronunciation.

How to Pass the RYA SRC/VHF Exam

What You Need to Know

Passing score: Competent (requires passing both the written theory paper and the hands-on practical scenario evaluation)
Assessment: 28-mark written theory paper (mixture of multiple-choice, short answer, and protocol writing) and a practical assessment on simulated VHF/DSC radios
Time limit: 1 hour (30 minutes for the written paper and 30 minutes for the practical assessment)
Exam fee: £76

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

RYA SRC/VHF Study Tips from Top Performers

1Memorize the exact structure of the voice Mayday message: Distress signal, vessel name (x3), call sign/MMSI, position, nature of distress, assistance needed, crew count, and 'Over'.

2Understand the difference between simplex and duplex channels: you cannot communicate ship-to-ship on a duplex channel directly because the transmit and receive frequencies are offset.

3Be clear on the roles of safety equipment: EPIRBs transmit distress to satellites on 406 MHz; SARTs interact with X-band (9 GHz) radars to draw a line of 12 dots; NAVTEX broadcasts MSI safety bulletins on 518 kHz.

4Know the GMDSS sea areas: A1 is within VHF range of a coast station (20-30 nm), A2 is within MF range (~150 nm), A3 is within satellite coverage, and A4 is the polar regions.

5Learn when to use voice emergency signals: Mayday is for grave/imminent danger, Pan-Pan is for urgent situations without immediate threat to life/vessel, and Securite is for navigation safety/hazards.

6Practice phonetic spelling for the entire alphabet (Alfa to Zulu) and the specific pronunciations of numbers (like Ninet-er).

7Learn how to handle accidental DSC alerts: cancel digitally using the radio's menu, and then broadcast a voice cancellation on Channel 16 immediately to prevent coast guard mobilization.

8Understand the 1 Watt low-power setting and use it when communicating in harbors or marinas to prevent range carry and channel interference.

Frequently Asked Questions

What is the RYA Short Range Certificate (SRC)?

The RYA Short Range Certificate (SRC) is the official qualification required to legally operate a marine VHF radio (with or without Digital Selective Calling/DSC) on UK-flagged vessels. It is issued by the Royal Yachting Association (RYA) on behalf of Ofcom, the UK communications regulator.

What is the structure of the RYA SRC exam?

The exam is conducted in person at an RYA Recognised Training Centre and has two parts: a 30-minute written theory paper (covering GMDSS regulations, channel plans, radio protocols, and phonetics) and a 30-minute practical assessment where you must demonstrate competence in operating simulated VHF/DSC radios to send distress, urgency, and routine calls.

How much does the RYA SRC exam cost?

The standard RYA exam fee is £76, paid directly to the RYA. This is separate from any classroom or online training course fees, which are charged by individual RYA training centers and typically range from £70 to £150.

Do I need to take a training course before the exam?

Yes, completing an RYA-approved Short Range Certificate training course (either in a classroom or online) is a mandatory eligibility requirement before you can sit the exam. You must show proof of course completion and bring a passport photo to the exam.

How long is the RYA SRC qualification valid?

Once issued, the RYA Marine Radio Short Range Certificate is valid for life. There is no requirement for periodic renewals, refreshers, or revalidation fees.

Can I use a handheld VHF radio without an SRC license?

You can only operate a handheld or fixed marine VHF radio without an SRC license if you are under the direct, constant supervision of a certified operator. To operate a radio independently, you must hold a valid SRC license, and the vessel must have a valid Ship Radio License.

What is a Ship Radio License and how does it differ from the SRC?

The SRC is your personal operator's license. The Ship Radio License (or Ship Portable Radio License) is a separate license issued by Ofcom that registers the radio equipment and the vessel itself. Any vessel carrying a VHF radio must have a valid Ship Radio License, which is free to obtain and must be validated with Ofcom every 10 years.