| MGN 20 | HEALTH AND SAFETY AT WORK REGULATIONS 1997 | Risk assessment and health surveillance – the annexes contain advice on those two duties. | |
| MGN 33 | Sewage systems on ships: maintenance | ||
| MGN 34 | Lifeboat and emergency engines | Selecting fuel and lubricating oils | |
| MGN 35 | Power operated watertight doors | Outlines accidents | |
| MGN 38 | Legionella Bacteria in ships a/c systems | Risk of Legionnaires Disease | |
| MGN 70 | Stowaway cases | adequate searches | |
| MGN 71 | Musters, drills, on-board training | ||
| MGN 77 | Instructions for Action in Survival Craft | ||
| MGN 81 | Ballast water | Minimize the Transfer of Harmful Aquatic Organisms and Pathogens | |
| MGN 86 | safe use of pesticides in ships | ||
| MGN 88 | Employment of young persons regs | Regulations for the occupational health and safety of young workers at work | |
| MGN 134 | Issue of Discharge Books to UK Seafarers | Changes to Catergories of Eligible Seafarers | |
| MGN 137 | Look-out During Periods of Darkness and Restricted Visibility | Officer not to be sole lookout | OOW |
| MGN 147 | Training in First Aid and Medical Care | ||
| MGN 149 | Approval of Crew Agreements (yachts) | Highlighted in MCA guide to UK flag for yacht masters | Master |
| MGN 156 | Certificates of competency or Marine Engine Operator Licences | As applied to yachts | |
| MGN 161 | Hi Line technique – Helicopter rescue | ||
| MGN 175 | H & S executive | health and safety legislation to be enforced effectively by MCA surveyors. | |
| MGN 176 | LSA | MCA may modify regulations to suit ship type | |
| MGN 178 | Wheelmarked equipment | Reporting faults | |
| MGN 191 | Use of Halon for Fire Extinguishing on Board Ships | Phasing out of Halon | |
| MGN 193 | The Effects of Alcohol or Drugs on Survival at Sea | ||
| MGN 199 | Dangers of interaction | OOW | |
| MGN 211 | Fatigue | Responsibility for ensuring that masters and crews are adequately rested to perform their duties safely | |
| MGN 217 | In-Water Surveys | ||
| MGN 219 | Medical fitness | UK medical fitness certificate for all seafarers aged 18 or over, will be 2 years | |
| MGN 221 | Certificates Of Equivalent Competency | ||
| MGN 225 | Radio Medical Advice For Ships At Sea | ||
| MGN 231 | Shipboard Pollution Emergency Plans | ||
| MGN 254 | Guidance to Users of Inflatable Lifejackets | regular inspections of inflatable lifejackets and correct procedures | |
| MGN 258 | Decommissioning of halon as a fire-extinguishing medium | ||
| MGN 264 | Medical Fitness Requirements Coded vessels | ENG1 and ML5 for vl 60miles from shore | |
| MGN 270 | Yacht Rating Certificate | ||
| MGN 276 | Portable fire extinguishers | ||
| MGN 280 | Small Vessels in Commercial Use | LSA and Construction standards on Coded vessels | |
| MGN 285 | Electronic Charts – Risk Assessment Methodology in RCD Mode | Electronic Charts – The Use of Risk Assessment Methodology When Operating ECDIS using Raster Charts | OOW |
| MGN 293 | Arrangements for Meeting Paper Chart Carriage Requirements | Vessels 15-24m allowed to use leisure charts | OOW |
| MGN 294 | Use of GMDSS equipment in general communications | Encourages its use | OOW |
| MGN 296 | Medication at Sea | Drug types where side effects might be expected to impair performance | |
| MGN 297 | The Carriage Of Defibrillators On Ships | Risk assessment | |
| MGN 299 | Inappropriate Use Of Mobile Phone | Creates red area where phones may not be used | OOW |
| MGN 301 | Manoeuvring Information on Board Ships | OOW | |
| MGN 304 | Shore to Ship communications during a distress | OOW | |
| MGN 305 | Inmarsat and maritime safety | Ships with barred earth stations may be subject to enforcement action by the MCA | |
| MGN 308 | Mooring, towing and hauling equipment | Maintenance and snap back zones | |
| MGN 315 | Keeping a Safe Navigational Watch on Merchant Vessels | OOW | |
| MGN 316 | Re-application of paints etc to interior surfaces | A “Do’s and Dont’s” Annex | |
| MGN 319 | Electronic Chart Plotting Systems for coded vessels up to 24m | OOW | |
| MGN 324 | AIS | OOW | |
| MGN 325 | Helicopter assistance at sea | ||
| MGN 331 | Provision and Use of Work Equipment | ||
| MGN 332 | Provision and Use of Lifting Equipment | ||
| MGN 337 | Safe Means of Access | Risk assessment | OOW |
| MGN 343 | Hydrostatic Release Units (HRU) | Stowage and Float Free Arrangements for Inflatable Liferafts | OOW |
| MGN 345 | Alternative Compliance Scheme | Classification societies allowed to do most surveys | |
| MGN 347 | Vessels where Certificates State Passenger limit | Assumes 75kg pp. | |
| MGN 349 | Carriage and Use of Radar Reflectors on Small Vessels | Vessels under 150gt | |
| MGN 351 | Leadership Qualities for Effective Safety Management | ||
| MGN 352 | Control of Noise at Work | Risk assessment required arising from exposure to noise | |
| MGN 353 | Control of Vibration at Work | Risk assessment required arising from exposure to vibration | |
| MGN 354 | Small Vessels-Safe Operation of Fixed CO2 Fire Extinguishing | ||
| MGN 355 | Inspection of fixed dry powder FF system | ||
| MGN 356 | Health and Safety at Work, Carcinogens and Mutagens | Protection of workers from the risks related to exposure to carcinogens and mutagens | |
| MGN 357 | Night-time lookout – Photochromic Lenses and Dark Adaptation | OOW | |
| MGN 360 | Navigation: Implementation of Changes to Routeing Measures | ECDIS technical problem of updates in early models | |
| MGN 362 | Servicing LSA equipment | ||
| MGN 363 | Ballast water standards | Vessels with tanks more than 1500m3 | |
| MGN 364 | Navigation: | Traffic Separation Schemes – Application of Rule 10 and Navigation in the Dover Strait | OOW |
| MGN 365 | Human Element Assessment Tool | ||
| MGN 369 | Navigation: | Navigation In Restricted Visibility | OOW |
| MGN 371 | Offshore Renewable Energy Installations | Emergency response | |
| MGN 372 | Offshore Renewable Energy Installations | Guidance to Mariners | |
| MGN 375 | Navigation: Maritime Safety Information | OOW | |
| MGN 378 | HSE Noise and Vibration | Regulations correct technical errors identified in the 2006 Regulations. | |
| MGN 379 | Navigation: Use of Electronic Navigation Aids | ||
| MGN 381 | Prevention of Air Pollution from Ships | ||
| MGN 385 | Prevention of Pollution by Sewage and Garbage from Ships | ||
| MGN 386 | Prevention of Air Pollution from Ships | ||
| MGN 387 | Port Waste Reception Facilities | ||
| MGN 389 | Signage for Fixed Gas Fire-Extinguishing Systems | ||
| MGN 392 | Radio Survey Service: Authorisation | ||
| MGN 393 | Light Emitting Diodes (LEDs), as Navigation Lights | ||
| MGN 395 | Radio Log Book | ||
| MGN 396 | Compatibility of Life-Saving Equipment | Immersion suits | |
| MGN 397 | Provision of Food and Fresh Water | ||
| MGN 398 | Anti-Fouling Systems | ||
| MGN 399 | Anti-Malaria Medication (prophylaxis) | ||
| MGN 401 | Navigation: Vessel Traffic Services | OOW | |
| MGN 402 | Bunker liability insurance | Merchant vessels over 1,000 GT | |
| MGN 406c | Use of Barbecues and Pig Roasts | ||
| MGN 408 | Biological Agents | ||
| MGN 409 | Chemical Agents | ||
| MGN 410 | Work at Height | ||
| MGN 411 | Training and Certification Requirements for the Crew Large Yachts | ||
| MGN 416 | Survey of Small Commercial Vessels Operating in Foreign Waters | ||
| MGN 419 | Disposal of Out of Date Pyrotechnics | ||
| MGN 422 | Use of Equipment to Undertake Work Over the Side on Yachts | OOW | |
| MGN 423 | Entry into Dangerous Spaces | OOW | |
| MGN 425 | Seafarers sleeping on vessels with shore power | ||
| MGN 426 | External Access to Means of Escape | Safety v Security | |
| MGN 428 | Artificial Optical Radiation | Retinal damage or skin cancer | |
| MGN 429 | Asbestos—Health Hazards and Precautions | ||
| MGN 432 | Safety during Transfers of Persons to and from Ships | ||
| MGN 436 | Whole Body Vibration | Guidance on Mitigating Against the Effects of Shocks and Impacts on Small Vessels | |
| MGN 437 | Small Commercial Vessel Codes of Practice | ||
| MGN 438 | Measures to Counter Piracy | ||
| MGN 441 | LRIT | 300gt and above | |
| MGN 442 | Training Crew Taking Part in Heli Ops on Large Commercial Yachts | ||
| MGN 448 | STCW Medical Certification | ||
| MGN 451 | Risk of Exposure to Radiation | ||
| MGN 452 | Hazards of Arc Flash Associated with High and Low Voltage Equipment | ||
| MGN 453 | FIRE PROTECTION – Fire Retardant Material Treatment | Large Yachts | |
| MGN 456 | LY3 code | OOW | |
| MGN 458 | Accident Reporting and Investigation | OOW | |
| MGN 460 | New and Expectant Mothers | ||
| MGN 462 | Energy Efficiency Design Index | ||
| MGN 464 | Lifeboats & Rescue boats – Weight Increase from Water Ingress | ||
| MGN 456 | AIS Annual Testing | ||
| MGN 487 | Maritime Labour Convention, 2006 On-shore Complaints | ||
| MGN 492 | H & S. Protecting those not employed by the ship owner | Duty of care towards their workers and shore contractors | |
| MGN 493 | H & S. Asbestos | ||
| MGN 494 | Media and Other Organisations Using Ships and Fishing Vessels | ||
| MGN 497 | Chemicals in ships stores | Risk assess |
Now go to the section on Recent MGN. This will highlight the newest guidance for yachts issued my the MCA.