Freefall Lifeboat · Lifesaving Appliances (LSA)
This is a crew evacuation and safety launch. It is manufactured by MDO and designated Rhs.L.S.21/4,5-20/5,5 04E.04. This model is IMO approved, as confirmed by the DNV approval finder, with the model number 4005401 Lux. The Rhs.L.S.21/4,5-20/5,5 04E.04 is designed to meet SOLAS certification standards for passenger capacity. Potential issues that may arise include corrosion or blockage in the release hook mechanism, which is a critical safety concern. Other potential problems include diesel engine start failures due to insufficient testing, osmotic blistering of the GRP hull from prolonged water contact, failure of the ventilation system valve, and deterioration of the safety harness/equipment from UV exposure and weathering. Spare parts are available through MDO or authorized distribution partners, with a lead time of 2-6 weeks. Recommended maintenance includes weekly engine test runs of at least 5 minutes. The release hook should be serviced annually by an approved service provider in accordance with SOLAS MSC.402(96). The GRP hull should be inspected during docking, with a thorough examination conducted every five years.
Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.
What our service work and the manufacturer documentation say about keeping this model running.
Weekly engine test run (min. 5 min). Release hook servicing annually by an approved service provider (SOLAS MSC.402(96)). GRP hull inspection at docking. Five-year thorough examination.
Spare parts via MDO or authorised distribution partners. Lead time: 2-6 weeks.
Verified against the DNV Approval Finder — the certificate below is issued by DNV, not by us.
Free of charge — send us your request for MDO equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, MDO first.
Tell us what you need for this MDO Rhs.L.S.21/4,5-20/5,5 04E.04 — a part, a service call, a second opinion. Are you MDO? Claim this brand page.
Service engineer? Write the day report for this Rhs.L.S.21/4,5-20/5,5 04E.04 in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →
Yes. Specifications, documents and service notes for this model are readable without an account. An account adds saved searches and requests, nothing is taken away.
Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.
Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.