Category Archives: Procedures

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 […]

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. […]

Heavy weather checklists – life rafts.

Outline: A disturbing report from a ship’s crew member concerning non-availability of life rafts.   What the Reporter told us: Whilst transiting the North Atlantic in very rough weather, all of the vessel’s life rafts were secured inside the accommodation. This resulted in the freefall lifeboat being the only equipment immediately available in the event […]

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. […]

Collision Regulations – Several near misses.

Introduction: CHIRP has received several accounts of navigational near misses from both the leisure and commercial sectors. Some of these have a common theme and thus, to avoid repetition, CHIRP comments may be found at the end of the section rather than on an individual basis. Report No 1: A report describing a near miss […]

Bridge Resource Management (BRM) – Misunderstandings and protocols.

Outline: Two simple reports describing various BRM failings. What the reporter told us (1): After boarding this vessel, and conducting a comprehensive Master/Pilot information exchange, which included adjusting speeds during different parts of the pilotage, the pilot asked the master if engine revolutions could be increased to achieve a desired speed of 14.5 knots. The […]

Emergency Procedures for Disabled Passengers

OUTLINE: A report highlighting difficulties on cruise and passenger vessels that disabled persons may encounter when following standard emergency procedures. What the reporter told us: My husband and I have travelled with this company a couple of times, and on both occasions whilst we attended the emergency muster drill, nothing was said regarding people who […]

Combination ladder issues

CHIRP continues to receive many reports from pilots who are faced with non-compliant pilot boarding arrangements. Further to the article in Maritime FEEDBACK 50, we have received a lot of reports relating to combination ladder arrangements. Some of these reports were very detailed and proved to be too big to be included in FEEDBACK. CHIRP  has […]

New Build Vessel – Poor Steerage

OUTLINE: A report describing a new build vessel with poor handling characteristics when in the loaded condition. What the Reporter told us: Description of Event: A pilot reported that when berthing a specific vessel, a considerable amount of port helm was required to stop a tendency of the vessel to go to starboard. The vessel […]