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The Seamanship Centre

Full steam ahead!

Full steam ahead!

The Seamanship Centre is underway and already up to speed with the first course of the year: Approved Engine Course 1! Only right getting the engines up and running before the other departments kick off! Wishing everyone a great 2023 -fair winds & safe seas  ...
Enclosed Spaces

Enclosed Spaces

The inspection and maintenance requirements for any enclosed space needs to be categorised as a high-risk operation regardless of vessel type, due to the multitude of hazards, complications and unknowns that can unfold. Some key questions that must be asked each time...
Merry Christmas

Merry Christmas

The Seamanship Centre is still ticking over with classes right up to Christmas week before we ‘finish with engines’ until the New Year.  Our thoughts go to those mariners who will be at sea over the festive period, those on watch in Coastguard stations, to...
Meeting targets

Meeting targets

Getting the performance we expect from vessels and achieving what the sales team promised us at purchase enquiry stage will slowly fall-off over time. Undertaking a maintenance regime must commence from the moment of delivery. Sometimes however, planned maintenance...
Corrosion Concerns

Corrosion Concerns

Good vessel upkeep requires a continuous inspection of all areas; hull, machinery and the various equipment inside and outside. With a focused mindset we can often identify issues more readily compared with normal day to day work practices. Time given to detailed...
Practising what we preach….

Practising what we preach….

  The centres boat got her annual attention recently before being laid-up. Extra time was given to renewing the pencil anodes about the engine cooler box and outdrive, in addition to the usual checklist of items before calling the boat fully ‘winterised’.This...
Record keeping….

Record keeping….

Approved Engine Courses 1 & 2  meet with the latest MCA syllabus requirements that have come into operation. This image relates to the AEC 2 and the documentation aspects involved at sea. With ever increasing scrutiny of vessels environmental impact as well as the...
Fuel issues….

Fuel issues….

All too easy to overlook, but constant care is needed with fuel, from taking onboard, right up to its ignition. The image shows damage suffered to a fuel pump plunger where excess water has caused corrosion lowering delivery pressure. Learn more on the next Approved...
MAIB Report Tug Millgarth Fatality

MAIB Report Tug Millgarth Fatality

Safety issues See Full Report Summary At 1749 on 27 January 2019, the chief engineer on board the tug Millgarth, fell into the River Mersey from the north oil stage at the Tranmere Oil Terminal at Birkenhead, England. He had released Millgarth’s mooring lines and was...
AD Deck/EDH

AD Deck/EDH

Well done to this months successful AB Deck crew. Our next AB Deck/EDH, MSO/MCA Approved course is on Dec 9th to 13th Dec to book your place contact The Seamanship Centre team tel: +353 (0) 86 893 7225 or email: info@seamanship.ie
Col Regs – Rule 2 Explained

Col Regs – Rule 2 Explained

Rule 2 Explained Responsibility (a) Nothing in these Rules shall exonerate any vessel, or the owner, master or crew thereof, from the consequences of any neglect to comply with these Rules or of the neglect of any precaution which may be required by the ordinary...
Col Regs – Rule 6 Safe Speed

Col Regs – Rule 6 Safe Speed

Image Courtesy of Steamship Mutual Rule 6 The Explanation follows Rule 6. Have a copy of the rule handy when reading the explanation Safe speed Every vessel shall at all times proceed at a safe speed so that she can take proper and effective action to avoid collision...
Rule 12 Sailing Vessels

Rule 12 Sailing Vessels

Video for Rule 12 Sailing Vessels Explained click on the image to access video Rule 12 Sailing Vessels (a) When two sailing vessels are approaching one another, so as to involve risk of collision, one of them shall keep out of the way of the other as follows: (i) when...
Col Regs – Rule 13 Overtaking

Col Regs – Rule 13 Overtaking

(a) Notwithstanding anything contained in the Rules of Part B, Sections I and II, any vessel overtaking any other shall keep out of the way of the vessel being overtaken. (b) A vessel shall be deemed to be overtaking when coming up with another vessel from a direction...
Rule 15 Crossing Situation

Rule 15 Crossing Situation

Rule 15 Crossing situation When two power-driven vessels are crossing so as to involve risk of collision, the vessel which has the other on her own starboard side shall keep out of the way and shall, if the circumstances of the case admit, avoid crossing ahead of the...
The Use of AIS in Navigation

The Use of AIS in Navigation

AIS provides identification of targets together with the static and dynamic information Mariners should, use this information with caution noting the following important points: Collision avoidance must be carried out in strict compliance with the COLREGs. There is NO...
Voyage Planning

Voyage Planning

Principles of Voyage Planning One of the most important procedures on a ship is that of voyage planning. A passage plan is a thorough, berth to berth guide, that identifies potential difficulties or risks on the proposed voyage. There are four stages of Voyage...
GZ Curve M V Seamanship

GZ Curve M V Seamanship

The following data can be extracted from a GZ curve; The metacentric height (GM) is found by drawing a perpendicular line at 57.2° (1 radian) where this line intersects the GZ Curve a right angle is drawn and where this intersects the GZ axis of the graph the GM can...
Shift of Buoyancy

Shift of Buoyancy

Shift of Buoyancy When a vessel is inclined the waterline changes as shown below from W1 to W2 and hence the underwater volume of the vessel. Consequently, the buoyancy in the blue wedge shape moves b to b1 and B moves from B to B1.  
The Metacentre

The Metacentre

The Metacentre (M) “M” is a point, generally on the centreline, at which the initial upward forces acting through B cut the upward forces acting through B¹ after the vessel has been inclined by an external force. For a vessel to be stable G must be below M. This...
GPS Jamming & Spoofing

GPS Jamming & Spoofing

In 1978, the first experimental Global Positioning System (GPS) satellite was launched and was originally intended for military use, however in the 1980’s the system was made available for civilian use. GPS is a satellite-based navigation system consisting of 27...
Cyber Security ISPS and ISM Codes

Cyber Security ISPS and ISM Codes

ISPS Code, part B, paragraph 8.3, states the SSA should address risks to radio and telecommunication systems, including computer systems and networks. The ISM Code also states, “The objective of the company’s Safety Management System (SMS) is to provide a safe...

Microbiological Infestation of Diesel Fuel

Microbiological Infestation of Diesel Fuel, or ‘Diesel Bug’ occurs when bacteria, which occur naturally in water present in the fuel are allowed to grow. In order for the bacteria to grow, they must have favorable conditions – stagnant fuel, a warm...