SOLAS requirements for totally enclosed lifeboats
By marinesafety
0 Comments
COLREG requires to ensure that in restricted visibility, a vessel can produce a sound signal that is loud, clear, and durable. And vessels 20 meters or more in length, the diameter of the mouth of the bell must be at least 300 mm.
The ship brass bell is a traditional mandatory safety‑signalling device mounted on the ship’s bridge or fore‑deck. Cast from marine‑grade brass alloy, it serves as a vital audible warning and communication device for navigation, fog signalling, emergency alerts, routine time‑keeping and ship‑board ceremonies.
A traditional maritime instrument for Signaling, timekeeping, and safety.
| Model | B160 | B200 | B250 | B300 | B400 |
| Mouth Diameter | 160 mm | 200 mm | 250mm | 300 mm | 400 mm |
| For Ship Length | ≤12 m | 12 ~20 m | 12 ~20 m | ≥20 m | ≥20 m |
| Material | Forged Brass | ||||
| Sound Level | >110 dB | ||||
| Surface Treatment | Polished | ||||
| Approval | CCS | ||||





