Nautical Structures System / Package
Bolline Ladder System
Patented automated pilot ladder system developed for US DoD Medium Unmanned Surface Vessels and further developed for US Navy and Military Sealift Command ships.
Description
The patented Bolline Ladder is an automated pilot ladder system originally developed for a Department of Defense Medium Unmanned Surface Vessel (MUSV) program. All versions offer multiple remote operation configurations and are designed around a SOLAS/ABS/US CFR approved ladder.
Key features
- MOD I: full stainless steel construction, prototyped with Gibbs & Cox for USNS Ranger and Mariner
- MOD II: aluminum fabrication to reduce topside weight, 316L and duplex stainless ladder links, deployable ladder lengths up to 30ft
- MOD III: manual rotating base for deployment from watertight hull openings and capability to receive casualties from small vessels
Applications
- Pilot boarding on unmanned and crewed naval vessels
- Military Sealift Command ships such as the T-AH 19 class
Specifications
| Deployable ladder length (MOD II/III) | up to 30ft |
|---|
More from Nautical Structures
- Nautical Structures EZ Series deck cranes
- Nautical Structures Overhead Beam Cranes
- Nautical Structures NS Series davits and cranes
- Nautical Structures HMC Series davits
- Nautical Structures MC Series mini-crane davits
- Nautical Structures Euro Series davits
- Nautical Structures Passerelles
- Nautical Structures Deluxe Tri-Rail Yacht Stairs
- Nautical Structures Transom Lifts (Nautical Lift)
- Nautical Structures HSS-500 Compact Man Lift/Dive Lift
- QM, LLC by Nautical Structures Radar Quick Release (RQR/SATQR)
- Nautical Structures Dock Lifts
Featured products
All products →Equipment
Compact Steering Unit (CSU) Waterjet
MJP Compact Steering Unit (CSU): mixed-flow duplex stainless steel waterjet series from 2,500 to 24,000 kW for vessels of 26–200 m, with classic reversing bucket for narrow installations and composite, steel or aluminium intakes.
Consumable
HYDROX 550
Emulsifiable mineral sterntube oil (ISO 68) for regular running and some stabilisers; Class tested, verified by Lloyd's Register, approved by major seal makers.
Equipment
Everllence B&W ME-LGIM Methanol Dual-Fuel Engine
Low-speed two-stroke dual-fuel engine running on methanol or conventional marine fuels, in service since 2016 with over 600,000 hours on methanol; 6,950–82,440 kW, 56–125 rpm, for newbuilds and retrofits.