Tankerman · Transfer — Overfill
An independent high-level (overfill) alarm on a cargo tank is intended to:
- AStart the cargo pump automatically
- BWarn the PIC before the tank overflows, independent of the gauging system✓ Correct
- CMeasure cargo temperature
- DIndicate low tank pressure
Explanation
The high-level alarm is a separate safeguard that alerts the PIC in time to stop the flow before overflow, even if the primary level gauge fails or is misread.
Authority: Tank Vessel Safety (33 CFR 155)
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