Ian Waugh - A Mariner\'s Guide to Marine Communications

False alert sent on 8414.5kHz indicating Telex for subsequent

communications - Example - No DSC Acknowledgement

received from any station:

• Reset your DSC Controller (to stop it repeating the Distress Alert).


• Switch to the 8MHz telex Distress Frequency (8376.5kHz).


• Set your SSB Radio Telex system to FEC mode and type your
  message:
  MAYDAY
  DEJUSTINA/GJUS1232456789
  CANCEL FALSE DISTRESS ALERT ON 8414.5KHZ AT 2510520
  +?


• Enter details in your radio log (example below).


• Inform the master:

Date/time Station

UTC To

27.10.01

0520

0521 All Stations

0521i

0526

Station

From

2324567H!J

Justina

Distress Procedure Words

Remarks

(Distress Alert sent in error) J Uhuru

Cancel false Distress Alert 2.5/05200UTC

(no responses) Master informed

(off watch) J Uhuru

Frequency

Channel or

Satellite

H4U.SkHz

H376·SkHz

"

A few special procedure words are used during distress working,
and at the end of distress working, to help control communications. The
main distress procedure words you may come across are:

• 'Silence Mayday' -


• 'Silence Distress'


• 'Silence Fini'
  'Prudonce'

pronounced 'SEELONCE MAYDAY'

pronounced 'SEELONCE DISTRESS'

pronounced 'SEELONCE FEENEE'

pronounced 'PROO-DONGS'

108 THE NAUTICAL INSTITUTE