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Search: Posts Made By: El Pinguino
Forum: Marine Electronics 12-07-2015, 20:38
Replies: 72
Views: 15,364
Posted By El Pinguino
Re: Navigation Lights on Mast or Bow, or Both

Thats fine... cos I'm not selling it...

Just saying, and Stormpetrel agrees with me, that from the bridge of big ships masthead lights can blend in with shore lights and , if seen , distort...
Forum: Marine Electronics 10-07-2015, 15:00
Replies: 72
Views: 15,364
Posted By El Pinguino
Re: Navigation Lights on Mast or Bow, or Both

Your eyes are typically at the same height as your pulpit and taffrail mounted lights... therefore it is safe to make a few assumptions.... if passing ships look like the one in the first 2 shots...
Forum: Marine Electronics 09-07-2015, 17:14
Replies: 72
Views: 15,364
Posted By El Pinguino
Re: Navigation Lights on Mast or Bow, or Both

There are two variables in this... the 'height of eye' on the ship's bridge and the height of the mast.

If the observers HoE is fixed and you alter the height of the trilight.... short mast......
Forum: Marine Electronics 09-07-2015, 16:53
Replies: 72
Views: 15,364
Posted By El Pinguino
Re: Navigation Lights on Mast or Bow, or Both

The problem when it is dark is that the trilight blends in with all the shore lights....
Offshore... well offshore.... I like trilights
Forum: Marine Electronics 09-07-2015, 16:32
Replies: 72
Views: 15,364
Posted By El Pinguino
Re: Navigation Lights on Mast or Bow, or Both

I don't have a problem with tricolours offshore... inshore is a different matter.

No yacht photos to hand ( I have some good ones somewhere in the archives ) but just put yachts into these two...
Forum: Marine Electronics 09-07-2015, 05:27
Replies: 72
Views: 15,364
Posted By El Pinguino
Re: Navigation Lights on Mast or Bow, or Both

Bugger... to late to edit.... that should read as below....
Forum: Marine Electronics 09-07-2015, 00:44
Replies: 72
Views: 15,364
Posted By El Pinguino
Re: Navigation Lights on Mast or Bow, or Both

I expected to be picked up on the USN steamboat bit :biggrin:

Big ships for years have put them all over the show... just so long as they comply with the regs....
First pic ... frd steaming can...
Forum: Marine Electronics 08-07-2015, 22:28
Replies: 72
Views: 15,364
Posted By El Pinguino
Re: Navigation Lights on Mast or Bow, or Both

Ditto... speaking from my day job experience tricolours have a very bad habit of blending in with shore lights ..
Forum: Marine Electronics 08-07-2015, 22:24
Replies: 72
Views: 15,364
Posted By El Pinguino
Re: Navigation Lights on Mast or Bow, or Both

I think that is what causes a lot of confusion and I find use of the term 'masthead light' in the rules odd as it is rarely at the mast head on most ships.

'Steaming light' is what I have always...
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