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QUESTION 5.1.17

LNG-fuel bunkering emergency drills

Oil, Chemical, LPGEngine Control Room, Documentation

What is being checked

The inspector is checking whether the emergency plan, crew competence, equipment readiness and recent drills demonstrate a coordinated response to an LNG bunker leak, ESD or fire, including realistic decisions rather than a paper exercise.

Ready onboard

0/6 complete

Practice questions

Answer aloud, then open the preparation point.

1What are your first actions for an LNG bunker leak, ESD or fire?

Raise the correct alarm, establish command and then explain the immediate priorities: ESD link, transfer isolation, ignition control, gas detection, water spray, exclusion zone, communications and supplier coordination.

2Who assumes command if the designated person is unavailable?

Identify the deputy from the muster list or emergency plan and explain how command transfer is communicated.

3Which equipment must be immediately available?

Identify, locate and explain the readiness checks for bunker ESD, gas detection, dry powder or water spray as fitted, PPE and emergency communications.

4Show what was learned from the last relevant drill.

Use LNG-bunkering drill, ESD test and pre-transfer records to trace one finding through responsibility, correction and verification.

5How are shore and external parties contacted?

Use the scenario-specific contact list and reporting sequence, distinguishing immediate distress or emergency calls from company notification.

Where an observation may arise

PLAN GAP

The emergency plan did not adequately address ESD link, transfer isolation, ignition control, gas detection, water spray, exclusion zone, communications and supplier coordination.

ROLE CONFUSION

Crew members could not explain their alarm, muster, communication or deputy responsibilities.

EQUIPMENT UNREADY

Required equipment was inaccessible, defective or not prepared: bunker ESD, gas detection, dry powder or water spray as fitted, PPE and emergency communications.

UNREALISTIC DRILL

The record showed attendance but no credible equipment use, decision-making or scenario development.

RECORD CONFLICT

Times, participants or results could not be reconciled with LNG-bunkering drill, ESD test and pre-transfer records.

NO LEARNING

Repeated deficiencies remained open or were closed without testing the corrective action.

Master's practical note

Select one recent drill and ask three different ranks to continue the scenario from an unplanned complication. Consistent actions are stronger evidence than a polished drill report.

Equipment boundary and references

Equipment boundary: Applies to applicable non-LNG cargo vessels using LNG as fuel as identified by the official vessel-type assignment.

References

  • OCIMF SIRE 2.0 Question Library Part 1, Version 1.0, Question 5.1.17
  • IMO IGF Code
  • ISO 20519

Last reviewed: 2026-09-13