ISO 5488 Single-Flight Aluminum Accommodation Ladder with Fixed Platform | Ship Access and Pilot Transfer

Product Overview

The ISO 5488 single-flight aluminum accommodation ladder with fixed platform is a complete ship-access system for the safe embarkation and disembarkation of crew, pilots, and authorized personnel on merchant ships. The ladder body is manufactured in aluminum to reduce handling weight, while the supporting platform, davit, turning device, stowage arrangement, and foundation interfaces are configured according to the vessel’s side arrangement and approved general arrangement drawing.

The system can be supplied for normal accommodation access or as the accommodation-ladder element of a pilot transfer combination arrangement. Pilot-transfer use requires confirmation of the vessel’s draught and trim range, access height, ladder angle, lower-platform position, pilot-ladder interface, ship-side securing method, and Administration or class approval. The ladder winch is used to deploy, recover, and stow the ladder assembly; it is not a mechanical pilot hoist and is not intended to lift personnel.

Quick Specifications

• Standard basis: ISO 5488:2015 → covers design and test requirements for accommodation ladders on merchant ships, excluding passenger ships.
• Configuration: single-flight aluminum ladder with fixed platform → complete arrangement may include upper and lower platforms, davit, turning device, stowage lock, handrails, safety net, and ladder winch.
• Nominal length: 3.6 m to 18 m in 0.6 m increments → the supplied model table covers 3.6 m to 15.6 m; longer lengths require project confirmation.
• Clear ladder width: 600 mm → suitable for standard ship-side access and consistent with the minimum width used for pilot-transfer combination arrangements.
• Operating angle: up to 55° for the stated accommodation-ladder design basis; not more than 45° when used as part of a pilot transfer combination arrangement.
• Step arrangement: anti-slip fixed arc steps with 300 mm pitch for nominal lengths not exceeding 18 m → longer-ladder pitch and detailed geometry to be confirmed by approved drawing.
• Handrails and stanchions: handrail height not less than 1,000 mm and stanchion spacing not more than 1,500 mm → foldable or removable arrangements support compact stowage.
• Drive options: pneumatic, electric, explosion-protected electric, or manual winch → selection depends on ship power, hazardous-area requirement, operating speed, and approval scope.

Main Technical Parameters

Selection & Inquiry Guide

Step 1: Confirm the intended service: normal ship accommodation access, crew access, or the accommodation-ladder component of a pilot transfer combination arrangement.

Step 2: Provide the vessel type, freeboard and access height range, operating draught and trim, required nominal ladder length, number of steps, maximum working angle, and available stowage envelope.

Step 3: Confirm the fixed-platform arrangement, upper and lower landing positions, ship-side securing or bowsing method, davit and turning arrangement, and whether a pilot-ladder interface or trapdoor platform is required.

Step 4: Confirm material grades for the aluminum ladder and steel supports, corrosion-isolation details between dissimilar metals, anodizing requirement, steel coating system, handrail type, and safety-net scope.

Step 5: Select the winch drive and controls: pneumatic, electric, explosion-protected electric, or manual; provide power supply, hazardous-area classification, brake and locking requirements, operating speed, and control-station location.

Step 6: Confirm class or statutory approval scope, EU MED requirement if applicable, load-test witnessing, quantity, delivery destination, required delivery time, and vessel-side GA or installation drawing.

Structure

Aluminum ladder frame | Fixed anti-slip arc steps | Fixed platform arrangement | Upper and lower landing interfaces | Foldable or removable handrails | Stanchions and safety net | Davit and suspension system | Turning and stowage device | Ladder winch and wire rope | Ship-side securing arrangement

Design, Operation & Quality Advantages

• The aluminum ladder body reduces the dead weight handled by the winch, davit, and crew while maintaining a corrosion-resistant structure suitable for marine access service.
• Fixed arc steps are arranged to provide a stable anti-slip foothold over the approved operating-angle range; step geometry and horizontal orientation shall follow the final approved design.
• A fixed platform provides a defined transfer and landing area. For pilot-transfer service, the lower platform must remain horizontal and be positively secured to the ship’s side in the approved working position.
• Foldable or removable handrails reduce the stowed envelope while retaining guarded access during operation. Retaining pins, locking points, and removable parts should be arranged for safe handling and inspection.
• The winch, davit, turning device, and stowage lock form a controlled deployment system. The winch handles the ladder assembly only and should include the braking, holding, limit, and emergency arrangements specified by the approved design.
• Where aluminum and carbon-steel components meet, the interface should be designed to limit galvanic corrosion through suitable isolation, sealing, drainage, and compatible coating details.
• Quality control can include material traceability, aluminum and steel welding procedure control, dimensional inspection, weld examination, operational testing, proof or design-load testing, coating inspection, and class witnessing according to the agreed inspection plan.

Custom Attributes

• Standard: ISO 5488:2015 → use as the design and test basis for the accommodation ladder; the exact purchased edition and project amendments should be confirmed.
• Configuration: Single flight with fixed platform → suitable where the vessel requires one continuous inclined ladder and a defined landing arrangement.
• Nominal Length: 3.6–18 m in 0.6 m increments → select according to freeboard, draught range, working angle, and stowage space; the supplied table currently ends at 15.6 m.
• Clear Width: 600 mm → provides the principal passage width and supports pilot-combination use where the complete arrangement is approved.
• Step Pitch: 300 mm up to 18 m; longer-ladder pitch to be confirmed → step spacing affects the number of steps, ladder geometry, and safe foothold.
• Material: Aluminum ladder with mild-steel supporting components → final alloy grades, steel grades, and dissimilar-metal isolation details are project-specific.
• Surface Treatment: Anodic oxidation for aluminum → steel supports and foundations require a separately specified marine coating or galvanizing system.
• Winch Drive: Pneumatic / electric / explosion-protected electric / manual → select according to power availability, hazardous-area classification, and required operating arrangement.
• Pilot Transfer Use: Combination arrangement only when approved → confirm SOLAS V/23, applicable IMO performance standards, ship-side arrangement, and Administration or class acceptance.
• Certificate Scope: Project-specific → maker documentation, class certificate, EU MED documentation, test witnessing, and material certificates are available only when included in the order.

How It Works

Release stowage locks → Operate the winch and davit to turn out and lower the ladder → Set the approved working angle → Secure the platform and ladder to the ship’s side → Fit handrails, safety net, and pilot-ladder interface as applicable → Use under responsible-officer supervision → Recover, inspect, and lock the assembly in its stowed position

Applications

Merchant cargo ships | Bulk carriers | Tankers | Container ships | General cargo ships | Crew embarkation and disembarkation | Pilot transfer combination arrangements | Newbuilding and retrofit projects

Certifications & Advantages

Certificates, type approval, statutory acceptance, and inspection witnessing can be arranged according to the project specification, vessel flag, class requirement, notified-body scope, and approved inspection plan. They are not automatically included with every supply.

Certification: CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate.

EU MED / EC-type examination documentation: available where applicable and subject to the selected product configuration, notified-body approval, and order scope.

Drawing & Photos

FAQ

Q1: How should the correct accommodation-ladder length be selected?

A1: Select the length from the vessel’s maximum and minimum access heights, draught and trim range, required ladder angle, fixed-platform position, and stowage envelope. For pilot-transfer combination use, the ladder angle must not exceed the applicable 45° limit and the complete ship-side arrangement must be checked.

Q2: Can a standard accommodation ladder automatically be used for pilot transfer?

A2: No. The ladder may form part of a pilot transfer combination arrangement only when the ladder, platform, pilot ladder, securing points, access route, ship-side position, and approval documentation satisfy the applicable SOLAS, IMO, Administration, and class requirements.

Q3: What information is needed to select the winch and obtain certificates?

A3: Provide the ladder dead weight, travel and stowage arrangement, drive type, power supply, hazardous-area classification, operating speed, brake and locking functions, control location, wire-rope arrangement, class society, flag requirement, EU MED scope if applicable, and required test witnessing.