CADETS CORNER
Your brain is not a USB stick. Write it down.
A small notebook can help you connect what you see, what you study and what you still need explained. No expensive equipment. No artistic handwriting required.
You have just received a useful explanation. You understood it. You will definitely remember it.
Three hours later, your notebook says “pump thing” and your brain has filed the rest under “somewhere near lunch”.
Good cadet note-taking is not about copying everything. It is about turning onboard training into knowledge you can find, explain and check. This guide gives deck and engine cadets practical ways to connect observations, theory and equipment manuals.
1. Start small: a pocket notebook and a study section
A basic notebook and two pens are enough. Use a pocket notebook for brief reminders, then a larger notebook or a separate section for organised study. If you can only afford one, use the front for quick notes and the back for summaries.
Number your pages and leave the first couple for an index. Add simple headings: bridge, deck, machinery, systems, safety and questions, choosing what fits your speciality.
A digital notebook is also an option where company rules permit. You do not need a paid app, a tablet or a subscription to start learning properly.
! Safety before stationery. Take notes only when it is safe and compatible with your assigned duties.
Do not write while acting as lookout, handling lines, moving around machinery or performing another task that needs your attention. Ask for a suitable pause or record the lesson afterwards. Never delay a safety question just to put it in your notebook.
2. Quick notes: capture the clue, not the whole lecture
When you have a safe moment, capture five things: date, topic, what you saw, what you were told and what remains unclear. Short phrases work better than trying to transcribe an entire explanation.
Example: after a supervised bridge lesson
Topic: radar presentation.
Observed: officer compared different display modes.
Explanation: the selected presentation changes how the picture is displayed.
Question: which parts change, and which information stays the same?
Next: read the relevant section of this radar’s manual; review with my supervising officer.
That is a useful reminder. “Radar: lots of buttons” is a cry for help disguised as a note.
3. Separate observation, explanation and verified understanding
Seeing something happen does not mean you understand why it happened. Keep those stages visible. A few labels are enough:
- O — Observed: what I actually saw.
- E — Explained: what someone told me, with their role and the context.
- R — Reference: where I can check the theory, manual or approved procedure.
- Q — Question: what I still need clarified.
- V — Verified: what I checked, against which source and with whom.
For example, “I saw a valve opened” belongs under observation. Its purpose, the conditions that allowed it and who authorised it need separate explanation and verification.
Do not quietly convert an assumption into a fact. Mark uncertainty clearly, and correct your notes when you learn more.
4. Cornell notes: questions, explanation, summary
The Cornell note-taking method divides a page into a narrow question column, a wider notes column and a summary area at the bottom.
Use the wider area for your lesson. Afterwards, add questions on the left and a short summary below. Cover the notes and try answering the questions in your own words.
| Question / cue | Learning notes |
|---|---|
| What is this system for? | Purpose explained in the lesson and checked against the relevant reference. |
| What does it connect to? | Main connections identified on the approved diagram with my supervisor. |
| What is still unclear? | Questions to clarify before treating this as understood. |
Summary: finish with two or three sentences explaining the lesson. Adapt the layout to fit your notebook; nobody is inspecting your margins with a ruler.
5. Brainstorm questions, then organise them
After a lesson, spend a couple of minutes writing whatever questions come to mind: unfamiliar words, connections you missed or differences between the textbook and what you observed.
Then sort them into three groups: I can look this up; I need someone to explain it; I need supervised practice. Bring specific questions to a suitable training discussion.
This is brainstorming for learning — not inventing alternative operating procedures. Anything affecting the safety of a current task must be clarified immediately.
6. Mind maps and concept maps: connect the pieces
A mind map starts with a topic in the centre and branches into related ideas. A concept map adds labelled connections showing how the ideas relate.
For a study map, start with a system’s name. Add branches for purpose, components, connections, hazards and references. Use arrows and brief labels such as “supplies”, “measures” or “protects”.
Engine cadets: map the relationships within a cooling system. Deck cadets: map how bridge information sources support passage monitoring. Check the map against the actual installation with your supervisor.
Keep it simple. A beautiful rainbow spiderweb is not useful if you cannot explain any of the arrows.
! Label your sketches “FOR STUDY ONLY”. A personal map is not an approved piping diagram, checklist or operating instruction. Never use it to carry out valve line-ups, isolations or other operations.
7. Connect practice, theory and the manual
For each topic, build a small chain: what I saw → the principle behind it → the ship-specific reference → what I need to ask.
- Practice: record the supervised lesson or task and your level of participation.
- Theory: identify the relevant principle in your course material.
- Manual: note the equipment model, document title, revision and section or page.
- Ship procedure: record the applicable approved procedure reference where permitted.
- Review: ask your supervisor to clarify differences or missing context.
“The manual” is not much of a reference when there are thirty manuals. “The manual for this equipment, this revision, this section” gives future-you a fighting chance.
For a machinery lesson, this might connect an observed pump to pressure and flow theory, its equipment manual and the vessel’s procedure. For a bridge lesson, it might connect an observed display to navigation theory and the manual for the installed system.
8. Active recall: close the notebook and explain
Active recall means trying to retrieve what you learned instead of only rereading it. During study, cover your explanation and answer the question from memory. Then check and correct it.
Explain a topic in plain language to yourself or an available training partner: what it does, why it matters and what you still do not understand. Recognising a page is easier than explaining its meaning.
Revisit a few questions on another day and again later in the week, fitting study around your schedule and protecting your rest. This is a flexible suggestion, not another watch to squeeze into your sleep.
Memory practice is for learning. During real work, use the required approved instructions and checks. Remembering something once does not make you authorised or competent to perform it independently.
9. Keep a glossary and a list of unanswered questions
Reserve a few pages for unfamiliar terms and abbreviations. Write the correct term, a plain-language meaning and the context in which it was used. A translation into your own language can help, but check that it preserves the technical meaning.
Keep an unanswered-question list with page references. When something is clarified, add the explanation and its source. That way, an unanswered question does not disappear beneath next week’s new vocabulary.
Two pens and a question mark are enough. Your notes do not need to win an Instagram stationery competition.
10. Your ready-to-use learning entry
Date / topic: ____________________
Lesson or supervised task: ____________________
My involvement: observed / assisted / practised under supervision
What I observed: ____________________
What I understood and why: ____________________
Theory / manual / procedure reference: ____________________
What I still need to ask: ____________________
Checked with / source / date: ____________________
Next supervised learning step: ____________________
Use these entries to support discussions about your cadet training record book. Your personal notebook is not the official record: follow your programme’s requirements and obtain confirmation only for training actually completed.
11. Protect the information as well as the notebook
Follow company rules for photographs, recordings, personal devices and document copies. Do not collect passwords, crew personal information or restricted ship material in your learning notes. Ask permission before copying diagrams or taking equipment photographs.
Keep notes secure and update errors visibly. If digital notes are permitted, back them up only through allowed arrangements. Your learning journal should help you study, not create a confidentiality problem.
Small notebook. Useful habits.
- Capture short notes when it is safe.
- Separate what you saw from what you assume.
- Connect the lesson to theory and the correct manual.
- Ask specific questions and verify your understanding.
- Review a little, without sacrificing your rest.
The notebook does not make you an officer. What you do with the learning can help you become a better one.
For more on asking questions and setting training priorities, read Didn’t Understand the Instruction? Ask Again.
Your notebook organises your learning; Wave helps organise your personal maritime documents. Keep the original documents your company requires, and explore our offline maritime document wallet guide for more on digital organisation.
More Cadets Corner guides will follow. For now, find a pen that works. Preferably before borrowing the Chief Officer’s favourite one.
Learning resources: Cornell University: Cornell note-taking system; UNC Learning Center: concept maps; Roediger and Karpicke: retrieval practice research. The shipboard examples and templates are practical adaptations for learning, not operational instructions.


