Diver below (when stationary)

I am undergoing a speed trial (moving)

Beta - Dangerous Cargo Charley - Yes
Delta - Keep clear Echo - Altering course to starboard Foxtrot - Disabled
Golf - Want a pilot Hotel - Pilot on board India - Altering course to port
Juliett - On fire keep clear Kilo - Desire to communicate Lima - Stop instantly
Mike - I am stopped November - No Oscar - Man overboard
Papa - About to sail Quebec-Request Pratique(Quarantine) Romeo
Sierra - Engines going astern Tango - Keep clear of me Uniform - Standing into danger
Victor - Require assistance Whiskey - Need medical attention X-Ray - Stop your intention
Yankee Zulu  
     
One Two Three
Four Five Six
Seven Eight Nine
Zero    
     

 

Code and answering pennant
Substitute 1
Substitute 2
Substitute 3