Canada ROC-A Radio practice test

Question 1

Which use of an aeronautical frequency is improper?

Accepted Answer

Chatting with a friend about weekend plans

Answer

Reporting your position on the MF

Answer

Requesting weather from a flight service station

Answer

Reading back a clearance

Question 2

Where does a ROC-A allow you to operate radiotelephone equipment?

Accepted Answer

In aircraft and at aeronautical ground stations

Answer

On ships and at coast stations along the shore

Answer

At AM and FM broadcasting stations

Answer

On the amateur radio bands at home

Question 3

While monitoring a company frequency, you overhear a private message between an aircraft and its base. What may you do with that message?

Accepted Answer

Nothing: you may not use it or share its contents

Answer

Share it with anyone, since radio waves are public

Answer

Use it for your own business as long as you do not repeat it

Answer

Repeat it to others once the flight has landed

Question 4

A drone pilot carries a handheld receiver and only listens to the local MF, never transmitting. Does this pilot need a ROC-A?

Accepted Answer

No; the certificate is for transmitting, not listening

Answer

Yes; any aviation radio, even a receiver, requires a ROC-A

Answer

Yes, but only when flying at night

Answer

Only if the drone weighs more than 25 kg

Question 5

In the ICAO phonetic alphabet, which words stand for the letters D, F and K?

Accepted Answer

Delta, Foxtrot, Kilo

Answer

David, Frank, King

Answer

Delta, Freddy, Kilo

Answer

Dog, Fox, Kite

Question 6

What should you do before making any transmission?

Accepted Answer

Listen to make sure the frequency is clear

Answer

Press the microphone button and wait for a tone

Answer

Say MAYDAY once to get attention

Answer

Turn the squelch fully off

Question 7

Which category of message has the highest priority after distress messages?

Accepted Answer

Urgency messages

Answer

Flight safety messages

Answer

Meteorological messages

Answer

Flight regularity messages

Question 8

On the readability scale, what does 'readability 1' mean?

Accepted Answer

Bad: unreadable

Answer

Excellent: perfectly readable

Answer

Readable but with difficulty

Answer

Readable now and then

Question 9

In an initial call, what is given first?

Accepted Answer

The call sign of the station being called

Answer

Your own call sign, then the station's

Answer

Your message, then the call signs

Answer

The frequency you are using

Question 10

An aircraft in flight receives a steady green light from the control tower. What does it mean?

Accepted Answer

Cleared to land

Answer

Return for landing

Answer

Give way to other aircraft and continue circling

Answer

Airport unsafe, do not land

Question 11

What is the difference between OVER and OUT?

Accepted Answer

OVER expects a reply; OUT ends the exchange

Answer

They mean the same thing and are always said together

Answer

OUT expects a reply; OVER ends the exchange

Answer

OVER is only ever used by ground stations

Question 12

A pilot cannot comply with an ATC instruction. Which word should the pilot use?

Accepted Answer

UNABLE

Answer

WILCO

Answer

ROGER

Answer

NEGATIVE CONTACT

Question 13

You send a MAYDAY on the frequency in use but get no reply. What should you do next?

Accepted Answer

Repeat it on 121.5 MHz or another frequency

Answer

Stop transmitting and wait for rescue

Answer

Switch the radio off to save the battery

Answer

Change the message to PAN PAN instead

Question 14

When is the distress signal MAYDAY used?

Accepted Answer

In grave and imminent danger needing immediate help

Answer

When a passenger feels unwell but the flight can continue normally

Answer

When requesting a priority landing for convenience

Answer

When reporting bad weather to other pilots

Question 15

An ELT is activated by accident. What should you do?

Accepted Answer

Switch it off and report it to the nearest ATS unit

Answer

Leave it on until the battery runs down

Answer

Ignore it; satellites filter out false alarms

Answer

Remove the antenna and keep it running

Question 16

Which item is NOT normally part of a distress message?

Accepted Answer

The pilot's licence number

Answer

The nature of the distress and the help needed

Answer

The present position, altitude and heading

Answer

The number of persons on board

Question 17

An aircraft has an engine fire that cannot be put out. Which signal should the pilot use?

Accepted Answer

MAYDAY

Answer

PAN PAN

Answer

ALL STATIONS

Answer

TRANSMITTING BLIND

Question 18

What does the squelch control on a radio do?

Accepted Answer

Mutes background noise when no signal is received

Answer

Increases the transmitter's output power

Answer

Selects the operating frequency

Answer

Records the last transmission received

Question 19

How do aeronautical VHF radio waves travel?

Accepted Answer

In nearly straight lines (line of sight)

Answer

By bouncing off the ionosphere over long distances

Answer

Along the ground for thousands of miles

Answer

Through mountains without loss

Question 20

Compared with a panel-mounted aircraft radio, what should you expect from a handheld aviation radio?

Accepted Answer

Shorter range, from lower power and a smaller antenna

Answer

Longer range in all cases, because it is portable

Answer

Exactly the same range as a panel-mounted radio

Answer

Range limited only by the colour of the battery