Complete list of two opening frames
| 1 | ZL |
  |
YOUR SIGNAL RECEIVED. IT IS NOT UNDERSTOOD. |
|
|---|---|---|---|---|
| 2 | UP |
  |
I HAVE AN EMERGENCY. | |
| 3 | NC |
  |
IN DISTRESS...REQUIRE IMMEDIATE ASSISTANCE. | |
| 4 | QU |
  |
ANCHORING IS PROHIBITED. | |
| 5 | SO |
  |
YOU SHOULD STOP YOUR VESSEL INSTANTLY. | |
| 6 | AC |
  |
I AM ABANDONING MY VESSEL. | |
| 7 | LO |
  |
I AM NOT IN MY CORRECT POSITION. | |
| 8 | QQ |
  |
I REQUIRE HEALTH CLEARANCE. | |
| 9 | QX |
  |
I REQUEST PERMISSION TO ANCHOR. | |
| 10 | EF |
  |
SOS / MAYDAY HAS BEEN CANCELLED. | |
| 11 | GW |
  |
MAN OVERBOARD. TAKE ACTION TO PICK HIM UP. | |
| 12 | DV |
  |
ATTENTION…I AM DRIFTING. | |
| 13 | RU |
  |
KEEP CLEAR…MANUVERING WITH DIFFICULTY. | |
| 14 | PP |
  |
KEEP WELL CLEAR OF ME. | |
| 15 | JL |
  |
YOU ARE RUNNING RISK OF GOING AGROUND. | |
| 16 | AN |
  |
I NEED A DOCTOR. |
