Notice:
The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.
I have this fixture on Passage. I installed a Dr LED white light in it, and noticed it was considerably dimmer than using a regular incandescent bulb. According to the literature, this configuration does not meet the USCG 2nm visibility requirement. Apparently, when the white light passes through the lens, it radically cuts the light output. There are several purpose-built, LED-based red/green fixtures available on the market. This type combines a red LED and a green LED side-by-side that sits inside a clear fixture, rather than a single white LED inside of a red/green filter. I can't say how well this type works as I opted not to go with this approach.
The USCG does not approve <i>any</i> LED bulb for replacement of a different bulb in a running light. They only approve the fixture/bulb combination as it comes from the manufacturer. Bruce's experience shows why.
For the Imtra LEDs, you use the "warm" bulbs for your red/green running lights, and the "cool" for everything else.
From their website: <blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><font size="2">This high output LED cluster festoon style bulb easily exceeds the brightness level of the 10W incandescent bulb it replaces. It has panels on five different planes, each containing 6 SMD LEDs for a total of 30 LEDs delivering crisp white light beyond 3 nautical miles. The dimpled barrel end contacts are made to fit the popular Aqua Signal Series 25 navigation lights. It replaces the 12V festoon bulb #ASL-902007 or the 24V #ASL-902017. This cool white version is very effective in mast-head and stern light fixtures but not recommended for red/green navigation lights (see our warm white version for this application).
Navigation lights are tested and approved as a fixture with the original equipment source (bulb) already installed. The operator of vessel assumes all liability when using this product as a replacement for the original approved light source. The use of this LED light source in individual navigation fixtures has not been evaluated for compliance to USCG, COLREG, or any other navigational lighting standards or regulations. </font id="size2"><hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">
And as Dave pointed out, these are not USCG approved because the USCG does not approve bulbs alone, only entire fixtures.
USCG approved LED bow light fixtures w/2nm distance:
Check out Lopolight website, OGM Orcagreen website and Aqua Signal's new LEDs at their website. Lopolight - I like their design and I have the OGM LED anchor light but these mfrs are very expensive. I believe the Aqua Signal Bow Light is much more resonable in cost. Here is the Aqua Signal link:
The Lopolight and OGM bow lights, I believe are more than double the cost of the Aqua Signal LED fixture. However, all three are USCG approved for 2NM.
I really like the design of the Lopolight but here is an example of the enormous cost difference between the Aqua Signal LED fixture and the Lopolight fixture - Here is one distributor for the Lopolight fixture: http://www.pyacht.com/lopolight-2nm-bow-light.htm
Notice: The advice given on this site is based upon individual or quoted experience, yours may differ. The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.