USCG Exam PracticeCargo gear and rigging
During a proof load test required by 46 CFR §28.885, at what angle must the boom or derrick be positioned when the proof load is applied?
- A. At the highest practicable angle to maximize reach
- B. At 45 degrees from vertical as a standard test angle
- ✓ At the lowest practicable angleCorrect
- D. At the working angle used during normal cargo operations
Why C is correct
46 CFR §28.885(c) specifies that the proof load shall be lifted with the ship's normal tackle with the boom or derrick at the lowest practicable angle. After lifting, the load must be swung as far as possible in both directions.
Cited:46 CFR §28.885