Marine Engine Logbook
MEL is a modern replacement for paper engine logbooks, built for DIY boaters, cruisers, loopers, and captains who want accurate, organized vessel records.
Designed around real-world boating workflows, MEL helps you track engines, generators, Seakeeper systems, watermakers, and any hour- or time-based maintenance. Whether you’re managing a single vessel or multiple boats, MEL keeps logs clean, separated, and easy to review.
Track What Matters
Log engine and generator hours.
Record maintenance by time or runtime.
Record vessel service from shops.
Track Seakeeper, watermaker, and auxiliary equipment.
Maintain clear service histories over the life of the vessel.
Fuel
Optional add on module for logging fuel ups.
Easily add Recipts from fuel docks or fuel deliveries.
Track yearly fuel expenses and operating metrics.
Parts & Maintenance Records
Document key engine components such as fuel and oil filters, impellers, belts, and other service items. Store exact part numbers so reordering next season—or at the parts counter—is fast and accurate.
Professional Logbooks
MEL produces clean, organized records suitable for long-term ownership or vessel sale.
Export logs to clean organized PDF or direct to a printer.
Print paper copies for ship’s records or binders.
Transfer vessel logs to new owners
Multi-Vessel Support
Manage multiple vessels in one app. Each boat’s logs, maintenance history, and parts lists remain clearly separated and organized.
Built for Boat Owners
MEL is designed for owners who maintain their own vessels, as well as captains responsible for accurate records. Whether you’re weekend cruising, running offshore, or sailing the Great Loop, MEL provides a reliable system for documenting your vessel’s history.
Stop juggling notebooks and loose papers.
MEL gives you a clear, organized, and professional engine logbook—always with you, and ready when you need it.
Lifetime Pro — one-time purchase. No subscription. No renewal.