Category Archives: Design

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 […]

AIS and ECDIS offsets.

Outline: We have received several reports which outline position anomalies between a vessel’s AIS and ECDIS, and positions obtained from a PPU or by visual / radar position fixing.   What the Reporter told us (1): Prior to getting underway, there was no error on the ECDIS displays. However, once moving, an error was evident. […]

Correspondence received – Bridge / Engine Room communications

Outline: A detailed report giving some feedback to the article published in Maritime Feedback issue number 52. What the Reporter told us: I was a master on a ferry approaching a berth – head in, with control on the starboard wing. Difficulties were experienced in reducing the ahead movement of the vessel, and with a […]

Pilot door design.

Outline: Further to the article in MFB 48 concerning a vessel that was not constructed in compliance with SOLAS V 23, a second similar report has been received. What the reporter told us: This report concerns a new build vessel on her maiden voyage. The pilot boarded at the agreed pilot boarding area. On this […]

Unsafe pilot boarding and disembarking arrangements.

Outline: A report outlining an appalling disregard for safety, where a pilot’s life was placed in danger due to an entirely unnecessary risk.   What the reporter told us: On the evening of 17th April, the vessel in question asked for a pilot for an outbound manoeuvre. The weather conditions were good. The vessel was […]