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Description
The ultimate digital toolkit for comprehensive learning and preparation as an Officer of the Watch. Designed for deck cadets, maritime students, and seasoned seafarers seeking to enhance their knowledge, this is your all-in-one solution for mastering navigation principles, watchkeeping procedures, and excelling in exam preparation.
ADVANCED RADAR PLOTTING SIMULATOR
Sharpen your understanding and application of collision avoidance principles with our interactive radar simulation.
- Dynamic Scenarios: Add multiple targets with custom courses and speeds.
- Automated Risk Assessment: Instantly calculates Closest Point of Approach (CPA) and Time to CPA (TCPA) with clear visual warnings for high-risk targets for educational analysis.
- Visualize Relative Motion: Observe target trails and relative motion vectors (RMV) to build the critical instincts needed for a safe watch.
Please note: This simulator is for training and conceptual understanding only and should not be used for real-world navigation or collision avoidance decisions.
COMPREHENSIVE CALCULATION SUITE
Practice and verify critical bridge calculations for your studies and training with accuracy.
- Navigation: Speed-Time-Distance (STD), ETA, Dead Reckoning (DR), Course & Distance (Rhumb Line & Great Circle), Set & Drift, and Fix Position.
- Terrestrial & Celestial: Compass Error, Parallel Indexing, Object Distance, Advance & Transfer, Meridian Passage, and a PLOP Sight Reduction Helper.
- Stability & Ship Construction: FSE Correction, Mean Draft, TPC/LCF Usage, Trim, and VCG calculators.
- Meteorology: True Wind, Barometer Corrections, Beaufort Converter, and Tide/Current calculators.
ESSENTIAL LEARNING & REFERENCE LIBRARY
Your digital pocket reference for in-depth maritime knowledge. Get instant, searchable answers to support your learning and professional development.
- Maritime Regulations: Quick-reference guides for SOLAS, MARPOL, STCW, ISM Code, ISPS Code, and GMDSS.
- Core Nautical Knowledge: In-depth sections on Passage Planning, ECDIS & Charts, Basic Stability, and Compass Deviation.
- Procedures: Quick access to Emergency Procedures, SOPEP & SMPEP, and checklists for safe watchkeeping, logbook entries, and equipment handover.
- Electronic Navigation: Master AIS Data Interpretation, understand ECDIS functions, and access AIS and MMSI code references.
MASTER THE RULES OF THE ROAD (COLREGs)
Confidently understand the Rules of the Road (COLREGs) using our complete, easy-to-use module, including detailed guides on Shapes, Sound Signals, the International Code of Signals (ICOS), and international Buoyage systems (IALA A & B).
TEST YOUR KNOWLEDGE & PREPARE FOR EXAMS
Turn study into a challenge and effectively prepare for your OOW certificate with confidence.
- Interactive Mini-Games: Test your recall of signals and buoy lights with Flash Cards, ICOS Hangman, and a Buoy Night Light game.
- OOW Progress Tracker: Monitor your learning and focus your study on areas needing improvement.
WHO IS THIS APP FOR?
- Maritime Students & Deck Cadets: The perfect study partner to build a strong foundation.
- Officers in Training: An essential tool for preparing for OOW certification exams.
- Active Deck Officers (OOW, 3/O, 2/O): A powerful, reference, calculation practice, and knowledge enhancement tool for ongoing professional development.
Download Maritime Master - OOW today and advance your maritime knowledge and skills with confidence!
What's New in Version 2.0.3
Small bug fixes and improvements including:
Fixed an issue where the Sea Time Log save dialog would not close.
We’ve begun testing for iOS 26 and have already started removing redundant dependencies in preparation for the update.
Thank you for your feedback — it’s really helping us make the app the best it can be!
Seller
Name
Bottle Top Studios LTD
Information
Developer
Categories
Version
2.0.3
Size
17.4 MB
Game Center
No
VPP Device Licensing
Yes
Rating
Rated: 4+
Compatibility
iOS 17.6 or later
Devices
iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XR, iPhone XS, iPhone XS Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2nd generation), iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 mini, iPhone 13, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone SE (3rd generation), iPhone 14, iPhone 14 Plus, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 15, iPhone 15 Plus, iPhone 15 Pro, iPhone 15 Pro Max, iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 16e, iPad (5th Generation) Wi-Fi, iPad (5th Generation) Wi-Fi + Cellular, iPad (6th generation) Wi-Fi, iPad (6th generation) Wi-Fi + Cellular, iPad Pro, iPad Pro (Cellular), iPad Pro (9.7-inch), iPad Pro (9.7-inch) (Cellular), iPad Pro 12.9-inch (2nd generation), iPad Pro 12.9-inch (2nd generation) Wi-Fi + Cellular, iPad Pro (10.5-inch), iPad Pro (10.5-inch) Wi-Fi + Cellular, iPad Pro (11-inch), iPad Pro (11-inch) Wi-Fi + Cellular, iPad Pro 12.9-inch (3rd generation), iPad Pro 12.9-inch (3rd generation) Wi-Fi + Cellular, iPad Air, iPad Air (Cellular), iPad Air 2, iPad Air 2 (Cellular), iPad Air (3rd generation), iPad Air (3rd generation) Wi-Fi + Cellular, iPad mini Retina, iPad mini Retina (Cellular), iPad mini 3, iPad mini 3 (Cellular), iPad mini 4, iPad mini 4 (Cellular), iPad mini (5th Generation), iPad mini (5th Generation) Wi-Fi + Cellular, iPad (7th generation) Wi-Fi + Cellular, iPad Pro 11-inch (2nd generation), iPad Pro 11-inch (2nd generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (4th generation), iPad Pro 12.9-inch (4th generation) Wi-Fi + Cellular, iPad Air (4th Generation) (Wi-Fi), iPad Air (4th Generation) (Wi-Fi + Cellular), iPad (8th generation) Wi-Fi, iPad (8th generation) Wi-Fi + Cellular, iPad Pro 11-inch (3rd generation), iPad Pro 11-inch (3rd generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (5th Generation), iPad Pro 12.9-inch (5th Generation) Wi-Fi + Cellular, iPad (9th Generation), iPad (9th Generation) Wi-Fi + Cellular, iPad mini (6th Generation), iPad mini (6th Generation) Wi-Fi + Cellular, iPad Air (5th generation), iPad Air (5th generation) Wi-Fi + Cellular, iPad Pro 11-inch (4th generation), iPad Pro 11-inch (4th generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (6th generation), iPad Pro 12.9-inch (6th generation) Wi-Fi + Cellular, iPad (10th generation), iPad (10th generation) Wi-Fi + Cellular, iPad Air 11-inch (M2) Wi-Fi, iPad Air 13-inch (M2) Wi-Fi, iPad Air 13-inch (M2) Wi-Fi + Cellular, iPad Pro 11-inch (M4) Wi-Fi, iPad Pro 11-inch (M4) Wi-Fi + Cellular, iPad Pro 13-inch (M4) Wi-Fi, iPad Pro 13-inch (M4) Wi-Fi + Cellular, iPad mini (A17 Pro) Wi-Fi, iPad mini (A17 Pro) Wi-Fi + Cellular, iPad (A16) Wi-Fi, iPad (A16) Wi-Fi + Cellular, iPad Air 11-inch (M3) Wi-Fi, iPad Air 11-inch (M3) Wi-Fi + Cellular, iPad Air 13-inch (M3) Wi-Fi, iPad Air 13-inch (M3) Wi-Fi + Cellular, iPod touch (6th Generation), iPod touch (7th generation)
Languages
English
App Store: Customer Ratings
Ratings & Reviews
5.0 of 5 (1 Rating)
App Store: Customer Reviews
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