Description
Equipment Overview & Key Specifications
The John Lilley & Gillie Brass Nautical Chart Instrument Set is a professional navigator’s navigation kit approved under German BSH (Federal Maritime and Hydrographic Agency) and SBG standards for merchant ship chart tables. Handcrafted from heavy non-tarnish marine instrument brass, the outfit includes high-precision single-handed brass dividers, a 600mm brass-roller parallel rule, a 360-degree navigation protractor, and non-magnetic bronze chart weights, all supplied in an authentic velvet-lined polished hardwood presentation case.
Technical Specifications & Interface Parameters
| Dividers | 200 mm (8-inch) single-handed polished marine brass divider with hardened points |
|---|---|
| Parallel Rule | 600 mm (24-inch) heavy acrylic blade with knurled brass roller linkage & bearing scale |
| Protractor | 150 mm square acrylic navigation protractor with engraved degree and compass marks |
| Chart Weights | Pair of heavy non-magnetic cast bronze chart weights with protective felt base |
| Storage Case | Fitted satin-finish hardwood chartroom case with velvet-lined interior and brass catches |
| Standards Approval | BSH (Bundesamt für Seeschifffahrt und Hydrographie) and SBG commercial compliance |
| Material Quality | Corrosion-resistant non-magnetic brass alloy ensuring zero compass disturbance |
| Origin & Heritage | Manufactured in the United Kingdom under John Lilley & Gillie maritime heritage |
Frequently Asked Questions (AEO / Technical Reference)
Why are BSH-approved chart instruments preferred on commercial vessels?
German BSH approval certifies that the instrument scales, roller alignments, and pivot tolerances are exact, preventing navigation plotting errors when transferring waypoints onto paper charts.
Are these brass instruments non-magnetic?
Yes, the instruments are forged from premium non-magnetic marine brass alloy, ensuring they can be placed near steering compasses or bridge electronics without causing deviation.
What is included in the complete chartroom kit?
The complete outfit contains 8-inch single-handed dividers, 24-inch brass roller parallel rules, navigation protractor, two heavy chart weights, and a fitted hardwood presentation chest.
Can individual instruments be purchased separately as replacements?
Yes, Seanav Marine stocks individual dividers, parallel rules, and chart weights for commercial vessels requiring replacements during port calls.
Where is this nautical instrument set stocked in the UAE?
Seanav Marine maintains stock at Dubai Maritime City (DMC) for immediate supply to vessels calling at Jebel Ali, Port Rashid, and Fujairah.
Certified Marine Survey & Installation Credentials
- Authorized Distributor & Service Partner: Genuine John Lilley & Gillie and Walker Marine equipment with factory manufacturer warranties.
- Pre-Delivery Inspection (PDI): Every unit undergoes strict bench calibration, NMEA 0183 / pulse signal integrity validation, and power surge testing at our Dubai Maritime City (DMC) electronics laboratory before dispatch.
- Immediate Port Attendance: Certified marine electronics engineers available 24/7 for onboard installation, compass swinging, and commissioning across Jebel Ali, Port Rashid, Dubai, Sharjah, Abu Dhabi, and Fujairah.
- Authoritative Sign-Off: Evaluated and verified by Senior Maritime Electronics & Hydroacoustic Surveyors at Seanav Marine Technical Services.
Technical Specifications & Operational Standards
Review certified engineering parameters, electrical inputs, data protocols, and Class compliance standards for this unit:
| OEM Brand / Manufacturer | Lilley & Gillie |
|---|---|
| Model / Part Number | SNV-JLG-NAU-002 |
| Equipment Classification | Commercial Marine Navigation & Communication Spares |
| Operating Conditions | -15°C to +55°C Industrial Marine Deck / Wheelhouse Environment |
| Quality Standard | OEM Marine Grade, Factory Bench Verified Ahead of Dispatch |
| Stock & Port Logistics | Ready Stock for Immediate Vessel Supply across Mumbai, JNPT, Kandla, Cochin, Chennai & Visakhapatnam |
| In-the-Box Documentation | OEM Certificate of Conformance, Wiring Schematics, Installation & Operating Manual |
Seanav Marine maintains bonded warehouse spare parts inventory and factory-trained technical riding squads across all major Indian ports. Immediate dispatch available to vessel agents, ship chandlers, and technical managers at Mumbai, JNPT (Nhava Sheva), Kandla, Mundra, Cochin, Chennai, and Visakhapatnam (view all 400+ ports →).
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