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Accurate, On site fuel test, in regular use by the world’s airlines

 

With the FUELSTAT® Plus on site fuel testing kit all you need is 10 minutes, a flat, clean surface, a pair of latex gloves & a 200 ml sample to discover which bugs are living in your fuel. The easy to interpret, pregnancy-style test gives a negligible, low or high reading which corresponds to the limits laid down in the IATA Guidance Material on Microbial Contamination in Aviation Fuel tanks. This clearly indicates the aircraft’s fuel system status, and what action to take, if any.

“IATA Strongly recommends testing of each aircraft fuel tank for microbiological contamination at least once a year.”

 

To order your FUELSTAT test kit, or simply find out more contact our sales and customer service department

 

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Introduction
There are a number of different types of microorganisms that can grow in certain types of fuel. The biggest problem is presented by a filamentous fungus called Hormoconis resinae, (H Res).

Previously called Cladosporium resinae, and more commonly referred to as “Jet Fuel Fungus”.
H Res is a fungus that thrives in aviation fuel. It requires only a minimal amount of water content in the fuel to grow and will cause filter blockages, gauging errors and tank corrosion if left
unchecked. Bacteria and other types of fungi, particularly some yeasts can also cause problems in fuel tanks, usually acting as a consortium. The objective of the test is to provide rapid screening of fuel
samples (water in fuel or fuel), giving a quick and accurate assessment of H Res, bacteria & other fungi including yeasts in the fuel tank. This test is unlike current growth-based tests, which require a minimum of 72 hours to provide any results. The test measures the amount of active growth in the sample and provides
actions and alert levels.
The FUELSTAT® resinae PLUS test measures the amount of different types of contamination: H Res, bacteria and fungi actively growing in the sample and reports that as the weight of material in the sample. This is a newer, more accurate measurement system than the old Colony Forming Unit (CFU) count.
The test provides results based on a traffic light scenario:
• Negligible (green) – negligible contamination
• Low Positive (amber) – moderate contamination
• High Positive (red) – heavy contamination


Test Contents
Each heat sealed foil pouch contains a Paddle with desiccant sachet and pipette in one section and Sample Extraction Bottle with flat cap, dropper cap and instructions for use in the other section.

on site fuel testing kit the Aviation FUELSTAT® resinae PLUS

 

Paddle: Plastic base with 6 lateral flow devices affixed
Preparation Bottles: 175ml plastic bottle with flat cap and “dropper” cap containing 3.0ml of Sample Extraction Liquid
• Disposable, single use, plastic pipette
• Instruction leaflet

 Part of the process of the Aviation FUELSTAT® resinae PLUS on site fuel testing kit

 


Storage and Stability
No special transport precautions Store below 30°C

Use between 10° and 30°C

Do not use after the stated expiry date

Long term freezing is not recommended


 

 Animated Instructions

 

Assay Description
The FUELSTAT® resinae PLUS test utilises lateral flow technology and antibodies to H Res, bacteria and fungi which grow in aviation fuel.

assay description of the Aviation FUELSTAT® resinae PLUS

 

The gold-labelled antibody is immobilised in the Release Pad under the sample well. The sample containing an unknown amount of contamination is added to the sample well and this re-hydrates, allowing the reagents to flow up (wicking) the membrane towards the absorbent pad. Any large particles in the sample, which may block the reaction, are blocked by the filtering action of the pad. During the wicking, the contamination in the sample will bind to the specific antibodies.
As the liquid reaches the Test Line (T) any free gold-labelled antibodies will bind to the test line. This means if more contamination is in the sample than the threshold engineered, there will be no antibodies to bind to the Test Line, no red line will appear, and this is a POSITIVE result.
If the amount of contamination in the sample is lower than the threshold, there will be free antibodies to bind to the Test Line, a red line will appear, and this is a NEGLIGIBLE result. The quantities of materials immobilised in the device are engineered to provide results at the different thresholds of H Res, bacteria and fungi in each of the test devices on the Test Paddle.


Sample Preparation
Take a sample from the fuel tank into a clean container. Allow the sample to “settle” and any water to accumulate at the bottom of the sampling container.

NOTE: When possible, test the water phase of the sample taken from the fuel tank. Testing the water phase will provide more accurate results than testing the fuel phase.


Actions Following Testing
Based on the IATA Guidelines, but we advise that each user should define their own policy on test frequency and actions following a positive test result. For specific aircraft type actions users should refer to the AMM.

Note: If the detection test shows contamination from either H Res, bacteria or fungi then do the scheduled inspection test more often.

iata guidelines for fuel testing


Warnings and Precautions
  • Caution should be exercised in the handling of fuel or other hazardous materials in accordance with Health and Safety procedures.
  • Optimum results will be obtained by strict adherence to this protocol.
  • Each paddle is disposable. Use only once.
  • The paddle in the foil pack should be kept sealed until ready for use. Once the foil pack is opened the shelf-lifeof the device is not guaranteed. It should be used as soon as possible.
  • The viewing window of the test device should not be touched.
  • The paddle should be kept dry at ALL times. DO NOT USE if the device becomes wet.
  • If the paddle appears damaged, scratched or marked in any way please contact Conidia Bioscience.

 

 

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