Individual flotation devices on the B737-300 are called?

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Multiple Choice

Individual flotation devices on the B737-300 are called?

Explanation:
The naming reflects the two standard forms of passenger flotation gear on a B737-300: an adult life vest with a single buoyant chamber and a separate infant life vest for children. The single-chamber design refers to one buoyant section that provides flotation when worn, which is the common configuration for adults. Infants require a smaller, specifically sized life vest designed for them. Terms like double, triple, or quartet chamber vests aren’t used for this aircraft’s cabin equipment, so the combination of a single-chamber adult vest and an infant vest best matches what’s provided.

The naming reflects the two standard forms of passenger flotation gear on a B737-300: an adult life vest with a single buoyant chamber and a separate infant life vest for children. The single-chamber design refers to one buoyant section that provides flotation when worn, which is the common configuration for adults. Infants require a smaller, specifically sized life vest designed for them. Terms like double, triple, or quartet chamber vests aren’t used for this aircraft’s cabin equipment, so the combination of a single-chamber adult vest and an infant vest best matches what’s provided.

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