How did you get on?
| Emergency Wreck Mark | Description |
| Colour | Blue and yellow vertical stripes in equal number dimensions (minimum 4 stripes and max 8) |
| Shape of buoy | Pillar or spar |
| Top mark (if any) | Vertical / Perpendicular Yellow Cross |
| Light (when fitted) | Yellow / Blue alternating |
| Rhythm | One second of Blue followed by one second of yellow with 0.5 second of darkness in between |
If you got all that - well done!