Jon Sanders had a roll over in the southern ocean and his rig survived , there has been a couple of rig failures of late Shane freeman , and Stuart Watson both these guys would have paid top money to the riggers to have everything done to the best standard.
Shane Freeman was going to England from Australia via the Southern Ocean the only thing he didn't renew was the mast section by all accounts it was in very good condition.
Both men lost their rigs one in a roll over the other in calm conditions, Are riggers cutting corners? Are there different standards of wiring and to make more profit the cheaper wire is being used?
Can you get certified wire so you know the working load of your wire? If so I would hazard to say many boat owners are paying for their rigging and have no idea of the breaking strain on the wire .
I for one always try to get a certificate on my anchor chain no use just hoping for the best when the going gets hard.

r13 said..
We have recently re-rigged with Hammapro from Arcus - a top of the range compacted type 316 grade wire - I expect their wire breaking load strength would be able to be certified by means of a certificate for each drum they supply to riggers. The data is also usually stamped on the sides of the drums. Getting a copy of the certificate from the riggers for your records can be the task.

See breaking loads of the 1x19 Hammapro in the 5 to 12mm diameter here;

www.arcuswire.com/product/hamma-pro-1x19-35

For lower than 5mm diameter Hammapro is 1x7, for above 12mm 1x25.

Harken have a good summary of breaking loads for the different type ss wires as here;

www.harken.com.au/uploadedFiles/Product_Support/PDF/15_ref-breaking-loads_HORIZ.pdf

Hi R13 I use Arcus also Have been very happy with it and great service from the guys

Good one Zzzzzz yes the Arcus guys are always helpful.

To THREADPOLICE yes good point re "tune". If you are talking about the normal re-tensioning of new rigging after a few races due to the inherent initial very slight permanent extension in all new standing rigging yes we completed this. Trust "these boats" did as well - would expect so based on their experience.

Good article here re tuning.

afloat.ie/resources/marine-industry-news/uk-sailmakers-ireland/item/38282-tuning-a-fractional-mast

Obviously rig tune should be monitored regularly - by observing all shroud tensions during races, and before races by sighting up the mainsail luff track of the mast to ensure all is straight laterally, and the fore and aft curve is as expected.