Category Archives: Design

Unsafe tug securing arrangements.

Outline: A report from a large container ship highlighting difficulties securing tugs in a specific port.   What the Reporter told us: My container vessel regularly calls at a container terminal in a specific port where, during mooring operations, we often experience problems taking the tug’s line. The problem is that the line presented by […]

Winch Sheared

Outline: A sailing yacht suffered a winch failure whilst hoisting the mainsail when departing harbour.   What the Reporter told us: After leaving harbour the mainsail was being hoisted under normal load when the mast halyard winch sheared off its mounting. Closer examination of the winch identified that the centre stem casting had failed. The […]

A positive result following engagement with the DPA

  This report involves two sister ships operated by a major shipping company with the same pilot ladder rigging issue. On this occasion, the DPA readily engaged with CHIRP, acknowledged the issue raised and thanked CHIRP for bringing it to their attention.   What the reporter told us (1): The weight of the pilot ladder […]

Unsafe Working at Heights

  CHIRP continues to receive reports primarily from the yachting sector concerning unsafe working at height. These highlight practices where the potential for serious personal injury or even death are present. What the Reporter told us: Recently I witnessed several deck personnel on the yacht on our port side working at height without any safety […]

Air Emissions alongside – boiler flame failures

  Two reports highlighting issues with smoke emissions.   What the Reporter told us (1): Our vessel, a tanker, was discharging her cargo with all systems working normally. At 08:15 the auxiliary boiler “Flame Failure” alarm activated, and the boiler shut down. The engineers responded and attempted to restart the boiler on several occasions, without […]

More on GPS Smoothing

  As a follow up to the article published in MFB54 entitled ‘AIS and ECDIS offsets’, CHIRP is concerned  about the effect of randomly altering the smoothing curve settings of a GPS since there may well be unexpected consequences .   We are currently engaging with GPS manufacturers in order to obtain some clarity as […]

Main engine failures.

Outline: CHIRP has received several reports recently concerning main engines failing to start, and associated issues.  What the reporters told us: Two separate reports where the main engine failed to go astern during final approach to the berth. Fully laden log carrier departing port and heading to China. When pulled off the wharf with tugs, […]

MARPOL – environmental violations and concerns

Outline: CHIRP continues to receive many reports relating to MARPOL. One report below details concerns with grey water, with the other highlighting a potential pollution scenario.  What the Reporter told us (1): Our vessel transferred a quantity of bilge water from the engine room bottom plates to the grey water tank using an air pump. […]

Non-compliant by design

Outline: Two reports – one highlighting a new vessel that is non-compliant with SOLAS, the other describing how an overboard discharge was situated in close proximity to the pilot boarding station. What the Reporter told us (1): When disembarking from this new passenger vessel (built in 2018), the pilot boat was caught momentarily on the […]

Correspondence received – rudder angle indicators

Outline: Follow-up correspondence to an article in Maritime FEEDBACK 51 What the Reporter told us: I experienced a near collision due to rudder angle discrepancy. The vessel was approaching an anchorage at dead slow speed with a following flood tide, and we applied port helm to clear an anchored vessel ahead. The rudder angle indicator […]