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Yachtmaster / Day Skipper > Signals and Communication > Flashcards

Signals and Communication Flashcards

1
Q

“Over”

A

-Invitation for radio reply

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2
Q

“Station Calling”

A

-Asking the station calling to repeat/identify themselves.

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3
Q

“Out”

A

-I have finished this conversation

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4
Q

“Received”

A

-I have received and understood your message

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5
Q

“Standby”

A

-Said by the coastguard, when telling you to wait until called back.

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6
Q

Radio Channels:

What are ship-ship channels?

A

6, 8, 72, 77

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7
Q

Radio Channels:

What are UK Marina channels?

A

80 or M (47 or 47A)

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8
Q

Radio Channels:

What are the UK coastguard channels?

A

16 and 67

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9
Q

What is the code that a ship is heading to danger?

A
  • “U” (di di dah or . . _)

- Flag: 4 Squares: 2 diagonal red quadrants and 2 whites.

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10
Q

What does horizontal waving of a flag/flare indicate?

A
  • “Negative”

- “Move away from here, it is highly dangerous”

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11
Q

What does vertical waving of a flag/flare indicate?

A
  • “Affirmative”

- “This is the best place to land”

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12
Q

What are some air-surface replies?

A
  • Drop a message / Rock wings / Flash lights twice
  • T (dah or ) or R (di dah dit or ..) if received:
  • Doesn’t signal/flies in a circle if not understood.
  • RPT (“repeat”) (di dah dit - di dah dah dit - dah)
  • Pneumonic: “RIP ._. - . . - . __ .”
  • Pneumonic: “ET: . - _”
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13
Q

“Yes” or “Affirmative”

A
  • Flag: (Lines): Blue - White - Red - White - Blue
  • “C”
  • Morse Code: (Dah di Dah dit) / _ . _ .
  • Pneumonic: “CNN” = _ . _ . - _ . - _ .
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14
Q

“No” / “Negative”

A
  • Flag: Blue and white checkered
  • “N”
  • Morse Code: (Dah dit) / _ .
  • Pneumonic: “CNN” : _ . _ . - _ . - _ .
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15
Q

“I require medical assistance”

A
  • Flag: Red sq in white sq in blue sq
  • “W”
  • Morse Code: (di dah dah) / . _ _
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16
Q

“I require assistance”

A
  • Flag: Red X on White background
  • “V”
  • Morse Code: (di di di dah) / . . . _
  • “I require assistance from the doctor, daVid Tennant, who’s heart goes Di di di Dah”
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17
Q

Flares:

What are the offshore flares? (>7 miles from land)

A
  • 4 x red hand flares
  • 2 x buoyant orange smoke
  • 4 x red parachute flares
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18
Q

Flares:

What are the costal flares? (3-7 miles from land)

A
  • 2 x red hand flares
  • 2 x orange hand smoke
  • 2 x red parachute flares
19
Q

Flares:

What are the inshore flares? (<3 miles from land)

A
  • 2 x red hand flares

- 2 x orange hand smoke

20
Q

Flares:

If seen, what is the response from the life-station?

A
  • Orange smoke signal

- White star rockets x 3 - 1 minute apart.

21
Q

For routine communications, should the radio be set to high or low power?

A

Low

22
Q

What are some forbidden transmissions?

A
  • Discussion about sports
  • Distress signal without the master’s permission
  • Broadcasting music
  • General chitchat
  • Transmission without identification
  • Sending a hoax distress
  • Indecent language
  • Using the radio unsupervised if not the holder of an operator’s licence.
23
Q

Name four inter-ship channels?

A

6, 8, 72, and 77

24
Q

What is an MMSI?

A

A 9 digit number which identifies the craft using digital selective calling (DSC)

25
Q

Under what circumstances should a Mayday be sent?

A

When there is an immediate danger to life, a vessel, an aircraft, or another vehicle where immediate assistance is required.

26
Q

Which channel is used for small-craft safety by HM coastguard?

A

Channel 67

27
Q

What is the spoken distress message?

A
  • Distress call x 3: “Mayday Mayday Mayday”
  • Name of casualty: “This is motor yacht [__]”
  • Call sign and MMSI: “2ABC8 MMSI _ _ _ _ _ _ _ _ _ “
  • Distress beings: “Mayday [___]”
  • Call sign and MMSI again
  • Position: “Position 50 degrees 05’.9N ….”
  • Nature of distress: “Serious fire onboard”
  • Assistance required: “Require immediate assistance”
  • Other info: “3 persons on board”
  • End of message: “Over”
28
Q

Avoiding Collisions: Sound

-What are the different sound signals for direction?

A
  • 1 Short blast: Altering course to starboard
  • 2 Short blasts: Altering course to port
  • 3 Short blasts: Engines are going astern
  • 5+ Short blasts: WAKE UP! TAKE ACTION!
29
Q

Avoiding Collisions: Signs

What does a hoisted black sphere, diamond, sphere show?

A

The vessel is restricted in its movement

-E.g., maybe launching a helicopter.

30
Q

Avoiding Collisions: Signs

What does a hoisted black sphere show?

A

The vessel is anchored

31
Q

Avoiding Collisions: Signs

What does a hoisted diamond show?

A

The vessel is under motor control

-Useful if the sail is up, but there is little wind.

32
Q

Flags:

Describe Flag “A”.

A
  • A ( . _ )
  • Swallowtail Shape
  • Tail-end: Blue, Square end: White
  • “A diver is operating near the ship”
33
Q

Avoiding Collisions: Sound

-What are the two different sound signals for a powered boat and a sailed boat when underway in fog?

A
  • Powered: One long sound signal (>5s, every 2 minutes)

- Sailed: One long + 2 short sound (Every 2 minutes)

34
Q

Avoiding Collisions: Lights:

-What side is the red light on?

A

Port

35
Q

Avoiding Collisions: Lights:

-What side is the green light on?

A

Starboard

36
Q

Avoiding Collisions: Lights:

-What colour is starboard?

A

Green

37
Q

Avoiding Collisions: Lights:

-What colour is port?

A

Red

38
Q

Avoiding Collisions: Lights:

-If the white light is higher than the sidelights what does that indicate?

A

That the vessel is power-driven.

39
Q

Avoiding Collisions: Lights:

-If you can see side-lights of another boat, what does that indicate?

A

You are likely to be outside the “Overtaking arc” (112.5 degrees on either side of the bow).

40
Q

Avoiding Collisions: Lights:

-What type of side-lights do vessels under 20m have?

A

Combined port/starboard light

41
Q

Avoiding Collisions: Lights:

When a powered vessel over 50m in length is moving, how are its lights arranged?

A
  • Aftward “mast” light higher than second, forward “mast” light.
  • Port and starboard sidelights taking 112.5 degrees each.
42
Q

Avoiding Collisions: Lights:

-How does a boat under sail arrange its lights?

A

-No front white light

  • Small: a combined port/starboard lamp AND
  • A stern light OR

-A combined triple-light on the masthead (Por/Star/Stern)

43
Q

Avoiding Collisions: Lights:

-What do boats have to display while they anchor?

A
  • All-around light(s), one of which must be near the bow.

- Large ships have aftward light LOWER than the forward light.

Yachtmaster / Day Skipper (7 decks)

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