AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/boat-inflatable-full-cylinder

Before using an inflatable life jacket, what must you check?

A full gas cylinder and green status indicators.

Start playing free

  1. That it's already partly blown up
  2. That the foam inside is dry
  3. Full gas cylinder and green status indicators ✔

Why: The Coast Guard guide says inflatable life jackets need regular care: the cylinder must be full and all status indicators green. Otherwise it may not inflate when you need it.

Huh, didn't know that: Under 33 CFR 175.23, an inflatable worn already inflated doesn't need its inflation system armed.

The dad joke
Why did the inflatable life jacket see a counselor? It had too much pent-up pressure.
Like this card?
Play the game

References

Answer: Full gas cylinder and green status indicators. The Coast Guard guide says inflatable life jackets need regular care: the cylinder must be full and all status indicators green. Otherwise it may not inflate when you need it.

  1. USCG A Boater's Guide to the Federal Requirements for Recreational Boats (2023) www.uscgboating.org/assets/1/AssetManager/Boaters-Guide-to-Federal-Requirements-for-Receational-Boats-20231108.pdf
    They must have a full cylinder. All status indicators must be green.
    Checked 2026-10-08.
  2. 33 CFR 175.23 Serviceable condition (eCFR) www.ecfr.gov/current/title-33/section-175.23
    a properly armed inflation mechanism, complete with a full inflation medium cartridge
    Checked 2026-10-08.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Boating & WaterA life jacket label says 'Approved only when worn.' What does that mean?Boating & WaterYour life jacket got soaked. How should you dry it?Boating & WaterFederal rules say a recreational boat must carry how many wearable life jackets?

That's stuff everyone should know.