1. BS ISO 23678-4. Service personnel for the maintenance, thorough examination, operational testing, overhaul and repair of lifeboats (including free-fall lifeboats) and rescue boats (including fast rescue boats), launching appliances and release gear. Part 4. Level 2 in-field competence (25th August 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (69 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗