160.176-9—Construction.
(3)
If approved for use on a passenger vessel, be inside a sealed, non-reusable package that can be easily opened;
(4)
Have a retainer for each adjustable closure to prevent any part of the closure from being easily removed from the lifejacket;
(5)
Be universally sized for wearers weighing over 40 kg. (90 pounds) and have a chest size range of at least 76 to 120 cm. (30 to 52 in.);
(6)
Unless the lifejacket is designed so that it can only be donned in one way, be constructed to be donned with either the inner or outer surface of the lifejacket next to the wearer (be reversible);
(7)
Not have a channel that can direct water to the wearer's face to any greater extent than that of the reference vest defined in § 160.176-3(h) of this part ;
(8)
Not have edges, projections, or corners, either external or internal, that are sharp enough to damage the lifejacket or to cause injury to anyone using or maintaining the lifejacket;
(10)
Be primarily vivid reddish orange, as defined by sections 13 and 14 of the “Color Names Dictionary,” on its external surfaces;
(13)
Meet any additional requirements that the Commandant may prescribe, if necessary, to approve unique or novel designs.
(iv)
At least one manual inflation mechanism or one automatic inflation mechanism on each inflation chamber.
(i)
Provide an easy means of inflation that requires only one deliberate action on the part of the wearer to actuate it;
(iii)
Be operated by pulling on an inflation handle that is marked “Jerk to Inflate” at two visible locations.
(6)
The marking required for the inflation handle of a manual inflation mechanism must be waterproof, permanent, and readable from a distance of 2.5 m (8 feet).
(d) Sewn seams.
Stitching used in each structural seam of a lifejacket must provide performance equal to or better than a Class 300 Lockstitch meeting Federal Standard No. 751a.