Re: [PSUBS-MAILIST] PSUB conformance with COLREGS WAS home-built strobe location beacon

[MerlinSub@t-online.de]

Military surfaceing subs here in europe use a orange flash light. 
I also on Sgt.Peppers and Euronaut. 

On Peppers it is just a divers emergency flasher with a additional orange cover from an old car blinker. 
The cover is free-flooding and the divers flasher a pretty small unit and pressure tight. 
www.euronaut.org/content/upload/notes/IMG_3200a.jpg

On Euronaut it is a small orange lorry flashlight under a clear acrylic pressuretight pipe. 
www.euronaut.org/content/upload/notes/IMG_0919d.JPG

vbr Carsten 


"Sean T. Stevenson" <cast55@telus.net> schrieb:
> Ex coast-guard here (Canadian), with some experience in enforcement of 
> COLREG compliance.
> 
> Rule 22 c/d demarcation would likely depend on whether the submarine was 
> operated solely as a tender in close proximity to an appropriately 
> marked surface vessel while operating in the surfaced mode, or if 
> operated independently to the extent that some distance between the 
> surface vessel and submarine was expected, sufficient to create a 
> situation in which the vessel's intentions may not be clear to another 
> mariner, creating a hazard to navigation.  If you intend on surface 
> running independently from any surface support, light for 22 (c).
> 
> As for strobes, note that a white strobe constitutes an internationally 
> recognized distress signal in inland waters, and are discouraged as 
> signals to attract attention in international waters due to their 
> propensity to overwhelm navigation lighting, possibly confusing other 
> mariners as to a vessel's intentions.  White strobes are typically 
> employed only as emergency signals or as markers on stationary or 
> drifting objects not underway (hence their use on EPIRBs, datum marker 
> buoys used by SAR services, and personal distress beacons).  A blue 
> strobe denotes a government vessel (Coast Guard, Navy when lights are 
> displayed, etc.).  Yellow strobes (or yellow quick-flash) are used to 
> denote ACVs (hovercraft).  Any other colour of strobe is not 
> specifically addressed by the rules, other than the fact that it must 
> not be confused with any other established vessel signal or aid to 
> navigation, and are generally discouraged on vessels underway due to the 
> obfuscation of other lighting.  Area modifications may address 
> submarines, and I have heard of the use of some manner of flashing 
> (possibly strobe) red light for this purpose, but this is neither 
> addressed in the International COLREGs nor the Canadian modifications, 
> so I can't comment further.
> 
> For the surface vessel tending the submarine, lights and dayshapes must 
> be displayed for a vessel restricted in its ability to maneouver, in 
> addition to the lights normally required under Rule 22 (C).  This 
> consists of a 360 degree arc Red/White/Red, or ball/diamond/ball 
> dayshapes.  Additionally, the international code flag Alpha may be 
> displayed, denoting a vessel engaged in diving operations.
> 
> -Sean
> 
> 
> Jay K. Jeffries wrote:
> >
> > Jon,
> >
> > It has been years since I sat for my Captain's exam and don't remember 
> > what is in each Rule.  Could you please provide a link that I can 
> > review?  Thanks!.
> >
> >  
> >
> > Lights will be a consideration for Ft. Pierce water operations 
> > especially if there are night operations.  Accommodations and dock 
> > space are right next to a US Coast Guard Station so we will also have 
> > to display the correct shapes, flags, and lights on attending surface 
> > vessels to denote "Conducting submerged operations, restricted in 
> > maneuverability" and these must be visible from 360° around the dive site.
> >
> > R/Jay
> >
> >  
> >
> >  
> >
> >  
> >
> > -----Original Message-----
> > From: owner-personal_submersibles@psubs.org 
> > [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Jon Wallace
> > Sent: Tuesday, January 12, 2010 1:38 AM
> > To: personal_submersibles@psubs.org
> > Subject: Re: [PSUBS-MAILIST] home-built strobe location beacon
> >
> >
> >
> >  
> >
> > Jay,
> >
> >  
> >
> > I don't see anything in COLREGS specific to submarines except that 
> > naval submarines have various exemptions and customized lighting as 
> > deemed reasonable.  I believe the ABS requirement for a location 
> > device is limited to just that, aiding in location of a sub that has 
> > surfaced. 
> >
> > However, you make a good point about COLREG lighting which is a 
> > requirement we haven't talked about much.  If Rule 22(d) applies to 
> > small subs then things are not too bad.  But if we fall under Rule 
> > 22(c) then we should probably be looking at some reasonable solutions 
> > that will survive a bit of external pressure.
> >
> >  
> >
> > Jon
> >
> >  
> >
> >  
> >
> 
> 
> 
> 
> 
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