ORB Assistant — Oil Record Book Entry Guide

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Oil Record Book — Machinery Space Operations

⚠ DISCLAIMER: This application is an entry guide only and is NOT an official ORB, MARPOL compliance software, or legal document. It is designed to assist the user in preparing accurate entries before writing in the physical Oil Record Book. All entries remain the sole responsibility of the officer signing the ORB. MARPOL 73/78 Annex I and IMO regulations are publicly available documents and are referenced here for guidance purposes only.

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🛢 Tank Status Overview

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Complete Oil Record Book Log

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Code C — Sludge Operations

Collection, transfer and disposal of oil residue (sludge)

Operation Type

ℹ Tank quantities must be recorded weekly. Each tank listed in IOPP Supplement 3.1 must be recorded separately using the exact IOPP name.

C-11 · Weekly Inventory Entry

Date *

Officer in Charge *

Code D — Bilge Discharge

Non-automatic starting of discharge, transfer or disposal of bilge water

Operation Type

D-15.1 · Bilge Discharge Overboard

⚠ Before discharging overboard, record a Code I entry confirming oil content monitor alarm test and 3-way valve operation test — found in good order.

Date *

Officer in Charge *

UTC Offset *

Your current timezone offset from UTC (e.g. +08:00, -05:00)

Bilge Holding Tank *

Quantity (m³) *

Qty Before (m³)

Qty After (m³)

Time Started (LT) *

Time Started (UTC) — Auto

Time Finished (LT) *

Time Finished (UTC) — Auto

Position at Start

/

Position at End

/

Code F — OCM Condition

Condition (malfunction) of oil discharge monitoring & control equipment

F-19/20/21 · OCM Malfunction Record

⚠ When OCM fails, seal and shut the overboard valve. Record the sealed valve status under Code I as well.

Date of Failure *

Time of Failure (LT) *

UTC Offset

Bilge Tank Qty Retained (m³)

Date Restored (leave blank if ongoing)

Time Restored (LT)

Cause of Failure (Item 21) *

Entry Date (Signing Date) *

Officer in Charge *

Code H — Bunkering

Bunkering of fuel oil (H-26.3) or lubricating oil (H-26.4) — recorded as separate entries

Entry Type

H-26.3 · FUEL OIL BUNKERING

Date *

Officer in Charge *

Port / Place *

UTC Offset *

Start Date

Start Time (LT)

Start Time (UTC) — Auto

End Date

End Time (LT)

End Time (UTC) — Auto

Fuel Oil Type *

Max Sulphur Content (from BDN)

Actual Sulphur Content % (from BDN) *

Total Qty Received — BDN Figure (MT) *

Total MT as stated in the Bunker Delivery Note

Tank-by-Tank Breakdown (H-26.3) — FO Tanks from Registry

Code I — Other / Miscellaneous

Other operations, maintenance, weekly bilge inventory, fuel transfers, ECA changeover

Operation Type

Date *

Officer in Charge *

Tank Registry

Register tanks exactly as they appear in IOPP Certificate Supplement

⚠ Tank names entered here must exactly match the IOPP Certificate Supplement (e.g., "No.1 Waste Oil Settling Tank" — NOT "No.1 W.O Settling Tank").

Add / Edit Tank

Tank Name (exact IOPP name) *

Capacity (m³) *

IOPP Category *

Current Qty (m³)

ROB Computation Mode

Set to Manual for: Waste Oil (Sludge) Tank, Stuffing Box Drain Tank, Scav. Box Drain Tank. All others: Auto-Compute.

Registered Tanks

Tank Name (IOPP)	Category	Capacity (m³)	Current (m³)	ROB Mode	Fill %

Vessel Information

Basic vessel particulars used in ORB entries

ℹ Once you save the Chief Engineer's name here, it will automatically appear in the Officer in Charge field of every entry form. You can still override it per-entry if needed.

Vessel Name

IMO Number

Flag State

Call Sign

Chief Engineer (Officer in Charge) ★

C/E Rank / Title

Master

Vessel UTC Offset ★

Auto-fills UTC time fields in all D and H entries. Update when crossing time zones.

Voyage Log

Port arrivals & departures — positions auto-fill D-15.1 discharge records

ℹ Enter your current port or at-sea position. When recording a D-15.1 bilge discharge, click any position chip to auto-fill the position field.

Add Port Call / Position

Date

Event Type

Port Name (if applicable)

Position (Lat/Long)

Time (LT)

Notes

📍 Recent Positions (click to copy to clipboard)

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Settings

PIN lock, preferences, and data management

ℹ About This Application

APPLICATION ORB ASSISTANT — OIL RECORD BOOK ENTRY GUIDE BASED ON MARPOL 73/78 ANNEX I · MEPC.1/CIRC.736/REV.2 · MEPC.312(74) REGULATIONS IMO PUBLICLY AVAILABLE DOCUMENTS (FREE TO USE) DESIGNED BY C/E KENO D. QUINTO

⚠ IMPORTANT DISCLAIMER

1. This application is an ENTRY GUIDE ONLY — it is NOT an official Oil Record Book, MARPOL compliance software, or legal document of any kind.

2. It is intended solely to assist the responsible officer in preparing accurate and properly formatted entries BEFORE writing in the physical ORB.

3. ALL ENTRIES AND SIGNATURES IN THE PHYSICAL ORB REMAIN THE SOLE LEGAL RESPONSIBILITY of the officer signing. Any error made — whether assisted by this tool or not — remains the full responsibility of the user.

4. MARPOL 73/78 Annex I and all referenced IMO regulations are publicly available international maritime law documents and are not the property of any individual or company.

5. This application may be used freely for guidance purposes. It does not replace professional judgment, shipboard procedures, or flag state requirements.

🔒 PIN Lock

ℹ Set a 4-digit PIN to prevent unauthorized edits. You will be asked for the PIN when opening the app. Leave blank to disable the lock.

Current PIN (enter to confirm change)

New PIN (4 digits)

Confirm New PIN

🔄 Sync Centre — iPad ↔ Laptop

Transfer all entries, tanks, vessel info and voyage log between your iPad and cabin laptop using AirDrop (iPad ↔ Mac) or a USB/network transfer (iPad ↔ Windows laptop).

STEP 1 — EXPORT FROM THIS DEVICE

Creates a sync file named with your vessel name + date + entry count.
Send it to the other device via AirDrop (iPad ↔ Mac) or email / USB (iPad ↔ Windows laptop).

STEP 2 — IMPORT ON THE OTHER DEVICE

Open the sync file received from the other device.
The app will show you a summary before merging — new entries are ADDED, existing entries are NOT overwritten.

📱 HOW TO AIRDROP (iPad → Laptop)

1. Tap Export Sync File on your iPad
2. The file downloads — tap it → tap Share
3. Tap AirDrop → select your cabin laptop
4. On laptop: accept the file → click Import Sync File → select it
5. Done — all iPad entries appear on the laptop ✅

Laptop → iPad: same steps in reverse.

📦 Full Backup & Restore

Full backup replaces ALL data on restore. Use for archiving or moving to a fresh device. Sync Centre above is better for day-to-day iPad ↔ Laptop transfer.

Part III — Panama Flag Entries

MARPOL Annex VI — Additional entries for Panama flag vessels (Annex VI ORB Part III)

⚠ These entries are recorded in the Code Letter: PART III column of the ORB as required by the Panama Maritime Authority (PMA) under MARPOL Annex VI. They are in addition to standard MARPOL Annex I codes (C, D, F, H, I).

Select Entry Type