ROR Cards

All ROR Cards

• 

  1. Power-driven vessel towing, less than 50 m
     in length, underway, tow exceeds 200 m,
     seen from starboard side.
  2. Maintain course and speed.
  3. One diamond.
  4. One prolonged blast and
     two short blasts.
• 

  1. Power-driven vessel towing, less than 50 m
     in length, underway, tow exceeds 200 m,
     seen from port side.
  2. One short blast – Altering course to starboard.
  3. One diamond.
  4. One prolonged blast and
     two short blasts.
• 

  1. Power-driven vessel towing, probably 50 m or more
     in length, underway, tow exceeds 200 m,
     seen end on.
  2. One short blast – Altering course to starboard.
  3. One diamond.
  4. One prolonged blast and
     two short blasts.
• 

  1. Power-driven vessel towing, probably 50 m or more
     in length, underway, tow exceeds 200 m,
     seen from starboard side.
  2. Maintain course and speed.
  3. One diamond.
  4. One prolonged blast and
     two short blasts.
• 

  1. Power-driven vessel towing, probably 50 m or more
     in length, underway, tow exceeds 200 m,
     seen from starboard side.
  2. Maintain course and speed.
  3. One diamond.
  4. One prolonged blast and
     two short blasts.
• 

  1. Power-driven vessel towing, probably 50 m or more
     in length, underway, tow exceeds 200 m,
     seen from port side.
  2. One short blast – Altering course to starboard.
  3. One diamond.
  4. One prolonged blast and
     two short blasts.
• 

  1. P.D. v/l towing probably 50 m. or more underway tow exceeds 200 m. seen from port side.
  2. One short blast a/c to stbd.
  3. One diamond.
  4. One prolonged and two short blasts.
• 

  1. P.D. v/l towing underway seen from astern.
  2. One short blast a/c to stbd.
  3. One diamond if tow exceeds 200 m.
  4. One prolonged and two short blasts.
• 

  1. P.D. v/l towing less than probably 50 m. underway with tow 200 m. or seen from stbd side.
  2. Maintain course and speed.
  3. No day signal.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing less than probably 50 m. underway with tow 200 m. or seen from port side.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing less than probably 50 m. underway with tow exceeding 200 m. or seen from port side.
  2. Maintain course and speed.
  3. One diamond each on towing and towed v/l’s.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing less than probably 50 m. underway with tow exceeding 200 m. or seen from port side.
  2. One short blast a/c to stbd.
  3. One diamond each on towing and towed v/l’s.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing probably 50 m. or more underway with tow exceeding 200 m. or less seen from stbd side.
  2. Maintain course and speed.
  3. No day signal.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing probably 50 m. or more underway with tow exceeding 200 m. or less seen from stbd side.
  2. Maintain course and speed.
  3. No day signal.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing probably 50 m. or more underway with tow 200 m. or less seen from port side.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing probably 50 m. or more underway with tow 200 m. or less seen from port side.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing probably 50 m. or more underway with tow exceeding 200 m. seen from stbd side.
  2. Maintain course and speed.
  3. One diamond each on towing and towed v/l’s.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing probably 50 m. or more underway with tow exceeding 200 m. seen from stbd side.
  2. Maintain course and speed.
  3. One diamond each on towing and towed v/l’s.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing probably 50 m. or more underway with tow exceeding 200 m. seen from port side.
  2. One short blast a/c to stbd.
  3. One diamond each on towing and towed v/l’s.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l towing probably 50 m. or more underway with tow exceeding 200 m. seen from port side.
  2. One short blast a/c to stbd.
  3. One diamond each on towing and towed v/l’s.
  4. Towing v/l – One prolonged and two short blasts.
     Towed v/l – One prolonged and three short blasts.
• 

  1. P.D. v/l pushing ahead less than 50 m. underway seen from stbd side.
  2. Maintain course and speed.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. P.D. v/l pushing ahead less than 50 m. underway seen from stbd side.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. P.D. v/l pushing ahead probably 50 m. or more underway seen from stbd side.
  2. Maintain course and speed.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. P.D. v/l pushing ahead probably 50 m. or more underway seen from stbd side.
  2. Maintain course and speed.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. P.D. v/l pushing ahead probably 50 m. or more underway seen from stbd side.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. P.D. v/l pushing ahead probably 50 m. or more underway seen from stbd side.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. P.D. v/l pushing ahead probably 50 m. or more underway seen from stbd side.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. P.D. v/l towing alongside probably 50 m. or more underway seen end on.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.

• 

  1. Inconspicuous partly submerged v/l or object or their combination towed, breadth less than 25 m., lenth 100 m. or less.
  2. Action according to position of tug.
  3. One diamond at or near aftermost extremity of last v/l or object. If tow exceeds 200 m., one additional diamond forward.
  4. No fog signal.
• 

  1. Inconspicuous partly submerged v/l or object or their combination towed, length 200 m. or less.
  2. Action according to position of tug.
  3. One diamond at or near aftermost extremity of last v/l or object. If tow exceeds 200 m. one additional diamond forward.
  4. No fog signal.
• 

  1. S.V. underway seen end on.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. a) S.V. underway seen from stbd side.
     b) v/l being towed seen from stbd side.
  2. Two short blast a/c to port.
  3. a) No day signal.
     b) If length of tow exceeds 200 m. a diamond.
  4. a) One prolonged and two short blasts.
     b) One prolonged and three short blasts.

• 

  1. a) S.V. underway seen from port side.
     b) V/l being towed seen from port side.
  2. One short blast, a/c to stbd.
  3. a) No day signal.
     b) If length of tow exceeds 200 m, a diamond.
  4. a) One prolonged and two short blasts.
     b) One prolonged and three short blasts.
• 

  1. S.V. less than 20 m underway seen end on.
  2. One short blast, a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. S.V. probably 20 m or more underway seen end on.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. S.V. probably 20 m or more underway seen end on.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. S.V. probably 20 m or more underway seen from port side.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. S.V. probably 20 m or more underway seen from stbd side.
  2. Two short blast a/c to port.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. S.V. probably 20 m. or more underway seen from port side.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. S.V. probably 20 m or more underway seen from astern.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. S.V. probably 20 m or more underway seen from astern.
  2. Two short blast a/c to port.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. S.V. probably 20 m or more underway seen from astern.
  2. One short blast a/c to stbd.
  3. No day signal.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way seen end on.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way seen
     from stbd side.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way seen
     from stbd side.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way seen
     from port side.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way seen
     from port side.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. making way seen end on.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. making way seen
     from stbd side.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. making way seen
     from port side.
  2. One short blast a/c to stbd .
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler making way seen from astern.
  2. One short blast a/c to stbd .
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler making way seen from astern.
  2. Twe short blast a/c to port.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler making way seen from astern.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler underway but stopped or at anchor.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. or more underway but
     stopped or at anchor, seen end on.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. or more underway but
     stopped or at anchor, seen from port side.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. or more underway but
     stopped or at anchor, seen from stbd side.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending 150 m. or less, seen end on.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending 150 m. or less, seen from stbd side.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending 150 m. or less, seen from stbd side.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending 150 m. or less, seen from port side.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending 150 m. or less, seen from port side.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler
     a) making way, gear extending 150 m. or less,
     seen from astern.
     b) underway but stopped or at anchor, gear
     extending more than 150 m.
  2. One short blast a/c to stbd.
  3. a) Two cones with apexes together in vertical line.
     b) Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler
     a) making way, gear extending 150 m. or less,
     seen from astern.
     b) underway but stopped or at anchor, gear
     extending more than 150 m.
  2. a) Two short blast a/c to port.
     b) One short blast a/c to stbd.
  3. a) Two cones with apexes together in vertical line.
     b) Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler –
     a) making way, gear extending 150 m. or less
     seen from astern.
     b) underway but stopped or at anchor, gear
     extending more than 150 m.
  2. a) One short blast a/c to stbd.
     b) Two short blast a/c to port.
  3. a) Two cones with apexes together in vertical line.
     b) Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending more than 150 m., seen end on.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending more than 150 m., seen from port
     side.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending more than 150 m., seen from stbd
     side.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line.
     Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending more than 150 m., seen from astern.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line.
     Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending more than 150 m., seen from port
     side.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending more than 150 m., seen from astern.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line.
     Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending more than 150 m., seen from stbd
     side.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line.
     Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending more than 150 m., seen from astern.
  2. Two short blast a/c to port.
  3. Two cones with apexes together in vertical line.
     Also a cone with apex upwards in direction of
     gear .
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending more than 150 m., seen from astern.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.
• 

  1. F.V. other than trawler making way, gear
     extending more than 150 m., seen from astern.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also a cone with apex upwards in direction of
     gear.
  4. One prolonged and two short blasts.

• 

  1. F.V. other than trawler underway but stopped
     or at anchor, gear extending 150 m. or less.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way shooting
     nets seen end on.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also flag Z.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way hauling
     nets seen end on.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also flag G.
  4. One prolonged and two short blasts.
• 

  1. Trawler underway but stopped or at anchor,
     hauling nets.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also flag G.
  4. One prolonged and two short blasts.
• 

  1. Trawler underway but stopped or at anchor,
     nets fast on an obstruction.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way shooting
     nets seen from stbd side.
  2. Two short blasts a/c to port.
  3. Two cones with apexes together in vertical line.
     Also flag Z.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way hauling
     nets seen from stbd side.
  2. Two short blasts a/c to port.
  3. Two cones with apexes together in vertical line.
     Also flag G.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way shooting
     nets seen from port side.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also flag Z.
  4. One prolonged and two short blasts.
• 

  1. Trawler less than 50 m. making way hauling
     nets seen from port side.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also flag G.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. or more making way
     shooting nets seen end on.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also flag Z.
  4. One prolonged and two short blasts.
• 

  1. Trawler probaly 50 m. or more making way
     hauling nets seen end on.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also flag G.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. or more underway but
     stopped or at anchor, hauling nets, seen from
     port side.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
     Also flag G.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. or more underway but
     stopped or at anchor, hauling nets, seen from
     stbd side.
  2. Two short blasts a/c to port.
  3. Two cones with apexes together in vertical line.
     Also flag G.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. or more underway but
     stopped or at anchor, nets fast on an
     obstruction, seen end on.
  2. One short blast a/c to stbd.
  3. Two cones with apexes together in vertical line.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. or more making way
     shooting nets seen from stbd side.
  2. Two short blasts a/c to port.
  3. Two cones with apexes together in vertical line.
     Also flag Z.
  4. One prolonged and two short blasts.
• 

  1. Trawler probably 50 m. or more making way
     hauling nets seen from stbd side.
  2. Two short blasts a/c to port.
  3. Two cones with apexes together in vertical line.
     Also flag G.
  4. One prolonged and two short blasts.
• 

  1. P.D. v/l less than 50 m underway seen end on
  2. One short blast, a/c to stbd.
  3. No day signal.
  4. Sound Signals:
     • Making way : One prolonged blast
     • Stopped : Two prolonged blasts with a 2-second interval in between

• 

  1. P.D. v/l less than 50 m underway seen from stbd side.
  2. Maintain course and speed.
  3. No day signal.
  4. Sound Signals:
     • Making way : One prolonged blast.
     • Stopped : Two prolonged blasts with a 2-second interval in between.
• 

  1. P.D. v/l less than 50 m underway seen from port side.
  2. One short blast, a/c to stbd.
  3. No day signal.
  4. Sound Signals:
     • Making way : One prolonged blast.
     • Stopped : Two prolonged blasts with a 2-second interval in between.
• 

  1. P.D. v/l seen end on:
     a) Probably 50 m or more underway.
     b) Less than 50 m towing or pushing underway tow 200 m or less.
  2. One short blast, a/c to stbd.
  3. No day signal.
  4. Sound Signals:
     a) Making way : One prolonged blast.
     Stopped : Two prolonged blasts with a 2-second interval in between.
     b) One prolonged and two short blasts.
• 

  1. P.D. v/l probably 50 m or more underway seen from stbd side.
  2. Maintain course and speed.
  3. No day signal.
  4. Sound Signals:
     • Making way : One prolonged blast.
     • Stopped : Two prolonged blasts with a 2-second interval in between.
• 

  1. P.D. v/l probably 50 m or more underway seen from port side.
  2. One short blast, a/c to stbd.
  3. No day signal.
  4. Sound Signals:
     • Making way : One prolonged blast.
     • Stopped : Two prolonged blasts with a 2-second interval in between.
• 

  1. a) v/l probably 50 m or more but less than 100 m, at anchor, seen from ahead or astern.
     b) P.D. v/l probably 50 m or more underway seen end on, out of range of side lights.
     c) P.D. v/l towing or pushing less than 50 m underway, tow 200 m or less, out of range of side lights.
  2. a) & b) One short blast, a/c to stbd.
     c) As per side light when sighted.
  3. a) A ball in fore part.
     b) & c) No day signal.
  4. As per possibility.
• 

  1. a) v/l probably 50 m or more but less than 100 m, at anchor, seen from port side.
     b) P.D. v/l probably 50 m or more underway seen from stbd side out of range of side lights.
  2. a) One short blast, a/c to stbd.
     b) Maintain course and speed.
  3. a) A ball in fore part.
     b) No day signal.
  4. a) Rapid ringing of bell for 5 seconds.
     Aditional – Short, prolonged and short blasts may be sounded.
     b) Sound Signals:
     • Making way : One prolonged blast.
     • Stopped : Two prolonged blasts with a 2-second interval in between.
• 

  1. a) P.D. v/l or S.V. underway seen from astern.
     b) P.D. v/l less than 50 m underway out of range of side lights.
     c) All-round light of:
     i) V/l less than 50 m at anchor.
     ii) v/l under oars.
     iii) P.D. v/l less than 7 m, speed not exceeding 7 knots.
     iv) P.D. v/l less than 12 m, out of range of side lights.
     v) Sailing v/l less than 7 m.
  2. a) One short blast, a/c to stbd.
     b) As per side light when sighted.
     c)
     i), ii) & v) One short blast, a/c to stbd.
     iii) Port bow – Maintain course and speed.
     Right ahead & stbd bow – One short blast, a/c to stbd.
     iv) As per side light when sighted.
  3. Anchored v/l – One ball in fore part.
     Others – No day signal.
  4. As per possibility.
• 

  1. Air-cushion v/l less than 50 m in non-displacement mode underway seen end on.
  2. One short blast, a/c to stbd.
  3. No day signal.
  4. One prolonged blast.
     (v/l assumed to be making way)
• 

  1. Air-cushion v/l less than 50 m in non-displacement mode underway seen from stbd side.
  2. Maintain course and speed.
  3. No day signal.
  4. One prolonged blast.
     (v/l assumed to be making way)
• 

  1. Air-cushion v/l less than 50 m in non-displacement mode underway seen from port side.
  2. One short blast, a/c to stbd.
  3. No day signal.
  4. One prolonged blast.
     (v/l assumed to be making way)
• 

  1. a) Air-cushion v/l in non-displacement mode underway seen from astern.
     b) Air-cushion v/l less than 12 m in non-displacement mode underway out of range of side lights.
  2. a) One short blast, a/c to stbd.
     b) As per side light when sighted.
  3. No day signal.
  4. One prolonged blast.
     (v/l assumed to be making way)
• 

  1. a) Air-cushion v/l in non-displacement mode underway seen from astern.
     b) Air-cushion v/l less than 12 m in non-displacement mode underway out of range of side lights, seen from stbd. side.
  2. a) One short blast, a/c to stbd.
     b) Maintain course and speed.
  3. No day signal.
  4. One prolonged blast.
     (v/l assumed to be making way)
• 

  1. a) Air-cushion vessel in non-displacement mode underway,
     seen from astern.
     b) Air-cushion vessel less than 12 m in non-displacement
     mode underway, out of range of side lights,
     seen from port side.
  2. a) Two short blasts – a/c to port.
     b) One short blast – a/c to stbd.
  3. No day signal.
  4. One prolonged blast.
     (Vessel assumed to be making way.)
• 

  1. a) Power-driven vessel less than 20 m underway,
     seen end on.
     b) Power-driven vessel less than 12 m underway,
     masthead light displaced from centre line,
     seen end on.
  2. One short blast – Altering course to starboard.
  3. No day signal.
  4. Making way – One prolonged blast.
     Stopped – Two prolonged blasts with
     2-second interval between them.
• 

  1. a) Power-driven vessel towing, less than 50 m in length,
     underway, tow 200 m or less,
     seen from port side.
  2. One short blast – Altering course to starboard.
  3. No day signal.
  4. One prolonged blast and
     two short blasts.
• 

  1. a) Power-driven vessel towing, less than 50 m in length,
     underway, tow 200 m or less,
     seen from stbd. side.
  2. Maintain course and speed.
  3. No day signal.
  4. One prolonged blast and
     two short blasts.
• 

  1. a) Power-driven vessel towing underway,
     seen end on, less than 50 m in length,
     tow exceeds 200 m.
     b) Power-driven vessel towing underway,
     seen end on, probably 50 m or more in length,
     tow 200 m or less.
  2. One short blast – Altering course to starboard.
  3. a) One diamond.
     b) No day signal.
  4. One prolonged blast and
     two short blasts.
• 

  1. a) Power-driven vessel towing, probably 50 m or more
     in length, underway, tow 200 m or less,
     seen from starboard side.
  2. Maintain course and speed.
  3. No day signal.
  4. One prolonged blast and
     two short blasts.
• 

  1. a) Power-driven vessel towing, probably 50 m or more
     in length, underway, tow 200 m or less,
     seen from starboard side.
  2. Maintain course and speed.
  3. No day signal.
  4. One prolonged blast and
     two short blasts.
• 

  1. a) Power-driven vessel towing, probably 50 m or more
     in length, underway, tow 200 m or less,
     seen from port side.
  2. One short blast – Altering course to starboard.
  3. No day signal.
  4. One prolonged blast and
     two short blasts.
• 

  1. a) Power-driven vessel towing, probably 50 m or more
     in length, underway, tow 200 m or less,
     seen from port side.
  2. One short blast – Altering course to starboard.
  3. No day signal.
  4. One prolonged blast and
     two short blasts.

No cards in this category.