As long as the rules are met nothing is specified in any regs about
incandescent vs LED.  Whether or not an LED will meet the visibility
requirements in a fixture originally made for incandescent bulbs is the
users responsibility to determine.  The manufacturers only test for
compliance using their prescribed bulb so using and LED would no longer be
certified by the manufacturer.

.................................................................
Rule 22 - Visibility of Lights Pilot Vessels Return to the top of the page

The lights prescribed in Rules 20-31 shall have an intensity as specified
in [ Section 8 of ] Annex I to these Rules so as to be visible at the
following minimum ranges:

(a) In vessels of 50 meters or more in length:

(i) a masthead light, 6 miles;
(ii) a sidelight, 3 miles;
(iii) a towing light, 3 miles;
(iv) a white red, green or yellow all-round light, 3 miles.
[(v) a special flashing light, 2 miles. ]

(b) In vessels of 12 meters or more in length but less than 50 meters in
length;

(i) a masthead light, 5 miles; except that where the length of the vessel
is less than 20 meters, 3 miles;
(ii) a sidelight, 2 miles;
(iii) a sternlight, 2 miles;
(iv) a towing light, 2 miles;
(v) a white, red, green or yellow all-round light, 2 miles.
[(vi) a special flashing light, 2 miles. ]

(c) In vessels of less than 12 meters in length:

(i) a masthead light, 2 miles;
(ii) a sidelight, 1 miles;
(iii) a towing light, 2 miles;
(iv) a white red, green or yellow all-round light, 2 miles.
[(v) a special flashing light, 2 miles. ]

(d) In inconspicuous, partly submerged vessels or objects being towed;

(i) a white all-round light; 3 miles.
.................................................................

Josh Muckley
S/V Sea Hawk
1989 C&C 37+
Solomons, MD
On Oct 30, 2014 9:53 AM, "Nauset Beach via CnC-List" <cnc-list@cnc-list.com>
wrote:

> And then there was the discussion of whether putting LED bulbs in old
> fixtures would be compliant with USCG regs.  Many said no as the whole
> unit, both bulb and fixture, has to be certified.  And that was why for a
> long period there were so few USCG approved LED running lights; the
> approval process was long and involved and many companies did not want to
> expend the $ or effort...
>
>
>
> So, if an incident were to occur and it was discovered that the whole
> fixture was not in compliance [and lights were relevant to the incident]
> might liability fall differently and insurance companies not be forthcoming
> with any coverage?
>
>
>
> Any current thoughts?
>
>
>
> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Bill
> Coleman via CnC-List
> *Sent:* Thursday, October 30, 2014 9:24 AM
> *To:* cnc-list@cnc-list.com
> *Subject:* Stus-List Running Lights
>
>
>
> Now this really confuses me, when I first went LED on my forward running
> lights, I replaced them with red and green, and then someone, I think at
> the boat show, or maybe in one of the boat magazines, said you had to have
> white coming through a colored lens, so I changed back to white.
>
> Now my port running light is broken, and I am in the market, and now I am
> really confused!
>
>
>
> Regards,
>
>
>
> Bill Coleman
>
> C&C 39
>
>
>
> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com
> <cnc-list-boun...@cnc-list.com>] *On Behalf Of *Rick Brass via CnC-List
> *Sent:* Wednesday, October 29, 2014 8:49 PM
> *To:* cnc-list@cnc-list.com
> *Subject:* Re: Stus-List EasyBlock Mainsheet Traveler
>
>
>
> Four or five years ago, I replaced the bulbs in my existing running lights
> and stern lights with LED bulbs. IIRC I got them from Dr. LED and the red
> and green bulbs were about $10 or $11 each, and the bulb for the stern
> light (I think it is called a festoon bulb, a cylinder that has pointy
> contacts on each end) was about $5 or $6.
>
>
>
> The bulbs in my running lights are a type 90 bulb, which is sort of hard
> to come by anyway. The supplier explained I needed a green bulb behind the
> green lens and a red bulb behind the red lens to get maximum light
> transmission and meet the USCG 2 mile visibility standard. Much of the
> light generated by a white light is apparently absorbed when it goes
> through the green lens.
>
>
>
> I asked about a 5 mile bulb, but was told that there was no point on a
> light so close to the surface. As part of the mast rebuild, I installed a 5
> mile tricolor  light at the top of the mast for use when offshore.
>
>
>
> I recently noticed that the teardrop (I kind of think of them as cat's
> eye) running lights on my bow are beginning to corrode and look shoddy
> after 38 years of service. I, too, wonder if there is a direct replacement
> for the old light fixtures available somewhere.
>
>
>
>
>
> Rick Brass
>
> *Imzadi  *C&C 38 mk 2
>
> *la Belle Aurore *C&C 25 mk1
>
> Washington, NC
>
>
>
>
>
>
>
> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com
> <cnc-list-boun...@cnc-list.com>] *On Behalf Of *wwadjo...@aol.com via
> CnC-List
> *Sent:* Wednesday, October 29, 2014 6:44 PM
> *To:* Rick Brass via CnC-List
> *Subject:* Re: Stus-List EasyBlock Mainsheet Traveler
>
>
>
> Does anyone have source for replacement lens for our teardrop running
> lights, circa 1981?  Orin alternative, experience with replacements(led) I
> see on internet?
>
> Bill Walker
>
> Evening Star
>
> CnC 36
>
>
>
>
>
> Sent from my HTC
>
>
>
> _______________________________________________
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