The types of foam used by our customers can be basically broken into two categories, Class A and Class B. These are the same classes as used in identifying fire extinguishers. Class A foam is used on common combustibles such as paper, wood, and textiles. Class B foam is used on flammable liquids.
What is the ICAO English proficiency rating scale?
The International Civil Aviation Organisation has an English language proficiency rating scale ranging from 1 to 6. This is used in Australia by CASA as the standard for PPL, CPL and ATPL Licences. Level 4 is the minimum for a licence holder.
What is ICAO level B?
ICAO Level B requires a 4.5m² fire to be extinguished at an application rate of 2.5L/min/m². ICAO Level C requires a 7.32m² fire to be extinguished at an application rate of 1.75L/min/m². All levels require a heptane fire with a 60 second pre-burn and using potable (fresh) water.
What type of foam is Class A?
The two major classes of Firefighting Foam: Class A Foam: Used to extinguish Class A materials, such as wood, paper, brush and vegetation (wildland), is widely used by many fire departments for structural firefighting using compressed air foam systems.
What language is ICAO Level 4?
ICAO English Level 4, ICAO Level 4 or simply English Level 4 is so-called Operational level of Aviation English. ICAO English Level 4 is minimum proficiency of English language to be demonstrated for operational use as a pilot or ATC.
What is ICAO Level 5?
ICAO English Level 5 is intermediate level of language proficiency qualification evaluated in accordance with ICAO Doc 9835 rating scale. ICAO English level 5 is so-called "advanced" level in accordance with ICAO phraseology.
What is ICAO English Level 4 equivalent to?
ICAO English Level 4, ICAO Level 4 or simply English Level 4 is so-called Operational level of Aviation English. ICAO English Level 4 is minimum proficiency of English language to be demonstrated for operational use as a pilot or ATC.
What is the ICAO Level A?
Is Class A foam wet or dry?
Class A foams are one-component, wet concentrates that are mixed with water to improve the firefighting characteristics of water.
Why use Class A foam?
Class A Foam is specially formulated to make water more effective for firefighting. The surfactants in Class A foam significantly reduce water's surface tension and, when mixed with air, create a superior foam blanket that surrounds fuels with a thick foam blanket.
What is an ICAO Level 6?
Language proficiency is assessed on a scale of 1 to 6, with Level 6 being the standard of an expert speaker of the language. The international Civil Aviation Organisation (ICAO) requires the minimum standard for a licence holder to be Level 4.
What is Class A foam for?
Class A Foam is specially formulated to make water more effective for firefighting. The surfactants in Class A foam significantly reduce water's surface tension and, when mixed with air, create a superior foam blanket that surrounds fuels with a thick foam blanket.
What is Class A foam called?
Using class A foam, also called wetting and foaming agent, is one of the best options when fighting against class A fires. Foam is used to fight class A fires such as: Solid combustibles. Structural fire solution. Plastic plant fire.
What percentage of foam is Class A?
0.3% to 1%Class A foam is typically proportioned from 0.3% to 1%.
Is AFFF foam Class A or B?
Class BIn the early 1960's, 3M and the U.S. Navy developed Class B “aqueous film forming foam” (AFFF) type foams. Class B foams are used on flammable petroleum fires and spills.