Question 1 of 10
Which character is this?
Correct!Not quite. The answer is S.
is S.
Morse code quiz
Ten questions on Morse code as it is used at sea: letters, numbers and the single-letter signals sent by light.
10 questions · answers explained · no sign-up
Question 2 of 10
Which is "F" in Morse?
F
Correct!Not quite. The answer is C.
F is
Question 3 of 10
Which character is this?
Correct!Not quite. The answer is Q.
is Q.
Question 4 of 10
Which is "7" in Morse?
7
Correct!Not quite. The answer is D.
7 is
Question 5 of 10
Which single-letter signal means: "I have a diver down; keep well clear at slow speed"?
Correct!Not quite. The answer is A.
is A. As a single-letter signal it means: I have a diver down; keep well clear at slow speed.
Question 6 of 10
A vessel signals this single letter to you by light. What does it mean?
Correct!Not quite. The answer is I wish to communicate with you.
is K. As a single-letter signal it means: I wish to communicate with you.
Question 7 of 10
A vessel signals this single letter to you by light. What does it mean?
Correct!Not quite. The answer is You are running into danger.
is U. As a single-letter signal it means: You are running into danger.
Question 8 of 10
How is SOS sent in Morse?
Correct!Not quite. The answer is As one signal: · · · – – – · · · without spaces between the letters.
SOS is sent as a single signal (···–––···), not as three separate letters. (COLREG Annex IV 1(d), ICS)
Question 9 of 10
How long is the space between two words?
Correct!Not quite. The answer is Seven dots.
The space between the parts of one letter is one dot, between two letters three dots, and between two words seven dots. (ICS – Morse signalling)
Question 10 of 10
You make a mistake while sending. Which signal do you send?
Correct!Not quite. The answer is The erase signal: a series of E.
EEEEE … is the erase signal. The receiving station answers with the same, and you send the last word again. (ICS – procedure signals)
You have right out of answered.Ten of ten? The app draws every question new: other angles, other light, other wrong answers.
Morse is free in Lanterna
Read and send Morse by dots and dashes or by flashing light, with a drill that never ends and a signals test. No purchase needed.
Made by a serving chief officer and master mariner. Lanterna is independent and not affiliated with the IMO, IALA or any maritime authority.
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