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post #10 of Old 09-02-2012
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Re: Remove (trilens) radar reflector from mast?

Admitting they dont work the UK government modifies Solas for rec boat under there flag.
7.) Owners and operators should note that under Regulation 18 equipment meeting the requirements of Regulation 19 must be type approved. However by virtue of Regulation 1.4, the Agency allows United Kingdom vessels which are too small to fit reflectors meeting the IMO standards to fit equipment suitable for the type and size of vessel.

UK government .........

One should be installed for the benefit of your insurance company so you appear to try and meet SAS requirements(which you cant)
Put it up where it will do the least damage.

2.1.7 if less than 150 gross tonnage and if practicable, a radar reflector, or
other means
, to enable detection by ships navigating by radar at both 9
and 3 GHz;

ISO 8729-1-2 Performance Standards for Radar Reflectors effective 22nd July 09 are shown below.
The reflector must have a Stated Performance Level of 7.5M2 measured in meters radar cross section (M2RCS) of at least 7.5M2 in X band and 0.5M2 in S Band mounted a minimum 4 meters above sea level.

The following notes gives further guidance on the choice of a radar reflector for small vessels and supersede Merchant Shipping Notice M.1638.

5.) It should be noted by Master and Operators of all vessels that even the 10 m2 reflectors referred to above will be difficult to detect in sea clutter on radar displays. Masters of all vessels are reminded that this should be taken in to account when setting lookouts and determining safe speed as required by Rules 5 and 6 of the International Regulations for the Prevention of Collisions at Sea.

Last edited by ParadiseParrot; 09-02-2012 at 10:24 PM.
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