Submergible Stern Ramp/Door (Navy / Special Vessel)
SMS-SME Submergible Stern Ramp/Door (Navy / Special Vessel) — Navy amphibious vessels (LPD, LST) — submergible stern ramp/door operable underwater to allow boat entry into vessel; serves as vehicle ramp on shore.
Components & Design
Component data being added…
Technical Data
🤖 Ask about this model
One free question — answered like a marine engineer. No account needed.
Common failures & inspection points
Structural integrity of ramp hinge pins, trunnions, and knuckle joints — inspect for wear, corrosion, and fatigue cracks
Hydraulic cylinders and piping: check for leaks, rod scoring, seal condition, and correct operating pressures
Watertight seal / rubber gasket condition along ramp perimeter — inspect for compression set, cracking, and proper seating against the hull
Cleats, locking devices, and securing hooks: verify engagement, latch function, and absence of deformation
PLC control system and limit switches: test full open/close sequential operation, Bridge indication lights, and emergency manual override
Auto-rail system (handrail) deployment mechanism: lubrication, pin alignment, and correct stowage
Ramp surface anti-skid plating, chequered or grating panels: check for deformation, corrosion, and weld integrity
Wire ropes or jigger winch (where fitted): inspect for broken wires, correct fleet angle, drum condition, and brake holding capacity
Type-general inspection and maintenance points for this equipment category — not model-specific.
Suppliers & Spare Parts
Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.
📄 Request sourcing links & documentsCases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.
Start free trial →Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.
Maritime Network →