Day’s Work Part -03 | Working examples for 2nd Mate, NCV Mates & Cadets | capt Sunil bhabha

Описание: Day’s Work Part 01 — CMG, DMG, Leeway & Current Explained | Navigation | 2nd Mate & Cadets 🚢
In this lesson, we begin Day’s Work (Navigation) — a core topic for deck officers.
You’ll learn how a ship’s progress over 24 hours (noon-to-noon) is calculated using plane sailing formulas and real navigation data.
This class builds the foundation for understanding CMG, DMG, Leeway, Current and how they affect the ship’s actual track and position.
📘 You’ll Learn:
• What “Day’s Work” means and why it’s important
• Using plane sailing formulas (Departure, DAC, Tangent Course)
• How noon reports are prepared and analyzed
• DR Position (True course + speed through water)
• Estimated Position (considering wind & current)
• FIX — actual observed position
• Triangle of forces: set, drift, CMG & DMG
• Combining multiple courses for long passages
• Creating a Day’s Work data table
• Compass → True conversion using CDMBT mnemonic
• Understanding Leeway and its effect on track
⏱️ Chapters / Timecodes
0:40 Plane sailing formulas
2:02 Meaning of Day’s Work
4:42 Compiling navigation data
7:12 Noon report explained
8:16 Dead Reckoning Position
13:16 Estimated Position
17:38 Fix (actual position)
19:03 CMG & DMG — triangle of forces
33:06 Resultant course discussion
37:17 Combining multiple legs
45:25 Resultant DAT & Departure
48:18 Day’s Work data table
50:11 Compass → True (CDMBT)
54:24 Leeway and wind effect
🎯 Best For:
✔ 2nd Mate & NCV candidates
✔ Cadets learning chart work
✔ Revision for CMG & DMG concepts
✔ Real ship navigation understanding
This topic is frequently tested — mastering Day’s Work builds confidence for both exams and bridge watchkeeping.
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