Definition(s)
Lifejacket
Lifejacket means a flotation device approved as a life preserver or lifejacket.1
Life-jacket
Device worn by personnel which has sufficient buoyancy and stability in water to turn the body of an unconscious person and keep the person’s mouth clear of the water.2
Source(s)
1. Mobile Offshore Drilling Units, 46 CFR 107-109 (2013). Regulations
2. ISO 15544:2000, Petroleum and natural gas industries – Offshore production installations – Requirements and guidelines for emergency. Global Standards