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On / Off Hire Bunker Survey


Bunker Survey, also known as Bunker Delivery Survey, Bunker Quantity Survey (BQS) or Bunker Stem Survey forms a critical part of preventing bunker delivery losses.

Our Surveyors focuses on reducing our clients’ business risks. We enable our clients to check quickly and confidently our Surveyors work, delivering greater accuracy in a shorter time, for less investment.

Thanks to our cross-industries knowledge, our exclusive online platform allows an inner view of the real situation, a strong deterrent against malpractice.
Periodically audited, our Surveyors consolidate integrity as the main value in their daily service.

CaptainAR ensures quality and efficiency while bringing innovation, optimization, performance improvement, and constant evolution to our services.


We work on board any type of vessel to determine the amount of bunker in tanks (FO, DO).. This can happen:

During bunkering:

Also known as On/Off Hire Bunker, it’s done when the ship is at Port Terminal before and after the bunkering.

Checking On-Demand:

We measure the amount of bunker on board the ship at request on any given time.

Our online platform estimates the real consumption of your Ship taking into account your navigation plan and last actions, plus our knowledge modeled into our AI engine.
Our service accurately established the amount of bunker and lube oil available, and recommendations reducing our clients’ business risks.

We do this with fierce precision, delivering surveys which are an important loss-prevention measure as part of documentation procedures required in the event of a dispute or claim.

CaptainAR marine surveyors have extensive experience conducting bunker surveys prior to and after time charter periods.



  • Draft (draught) survey
  • Inland barge gauging
  • Bunker survey
  • Cleanliness inspection
  • On/Off-hire survey
  • Condition survey
  • Lashing and securing survey
  • Project cargo survey
  • Marine cargo survey
  • General cargo survey
  • Tallying
  • Radioactivity measurement
  • Pre-shipment survey
  • Stock audit
  • Sampling
  • Supervision of cargo handling
  • Hatch and hold survey
  • Ultrasonic hatch cover testing
  • Transportable Moisture Limit / Flow Moisture Point
  • Fuel Sampling and Analysis.
2018-11-08T23:06:12+00:00 By |Categories: Services|Tags: , |