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The Most Innovative Technology:
Safe, Effective, and Efficient

Ending The Wildland Fire Disasters
Around the World
Saving Lives, The Environment and Properties

The Most Effective Wildland Fire Suppressant

High expansion Class A foam is extremely effective as both a direct attack suppressant and an indirect attack product.  (When used for indirect attack, high expansion foam remains effective for many hours after application).  To date, application of the product has been limited to ground resources.  For the first time, an airborne platform has been devised with impressive capabilities in a range of capacities.  The Striker Airborne Fire Engine™ is an advanced aerial firefighting suppression system designed to give the firefighter a versatile tool to successfully combat wildland fires with higher Probability Of Success (POS) and better fire control Interaction Percentage (IP). The Striker Airborne Fire Engine™ can be used to support all wildland firefighting operational drop objectives. 

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U.S. Department of Agriculture, Forest Service, National Technology and Development Program (NTDP), Wildland Fire Chemicals Systems

Why use Class A Foam?

What are the benefits of using High Expansion Class A Foam?

  • Wetting agent: Surfactants in the foam solution increase the wetting effectiveness of the water draining from the foam blanket. This gives the solution/water the ability to spread and penetrate into Class “A” materials.
  • Heat reduction: The increased surface area of the foam bubble over plain water droplets increases the ability to absorb heat dramatically.
  • Containing combustible gasses: The foam blanket effectively covers and coats burned or partially burned fuels thereby trapping escaping vapours.
  • Radiant heat reflection: The white colour of foam when used in an “indirect” attack reduces the effect of radiated heat.
  • Insulation: Generated foam is essentially entrapped air bubbles, which keep fuels cool by insulation.
  • Clinging characteristics: Generated foam holds water on vertical or three-dimensional surfaces, which gives time for the water to penetrate into any Class “A” fuels.
  • Stability: foam holds its shape, adheres well, and releases its solution slowly, creating a better insulating blanket for longer periods.
  • High visibility: it is very easy to determine where foam has been applied.
  • Water saving ability: Class “A” Foam solution has been documented as being from 3 to 5 times more effective than as a Class “A” fire suppression agent than plain water by the National Institute of Standards and Technology. Due to this increased effectiveness, less water is used. The attribute greatly reduces the amount of water damage of a structure or property.
  • Inexpensive: Due to very low mixing ratios.

*Reference

What are the common applications for high expansion foam?

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Higher expansion Class A foam is approved to be used by the ground crew of United States Forest Service (USFS)

  • Direct Attack of Wildland Fire
  • Indirect Attack of Wildland Fire
  • Mop-Up Application
  • Structural Protection (e.g., Urban Homes, Wildland Cabins and Historic Sites, Government Facilities)
  • Wildland Urban Interface Protection

Class A Foam has been studied and approved for use in both air and ground resources by the following agencies:

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Striker Airborne Fire Engine™
The Ultimate Wildfire Containment System

✓ Breakthrough Technology
The Striker is the ultimate and long-awaited wildland fire suppression system. The Striker is a true force multiplier using a much higher-expansion Class A foam. A single helicopter coupled with a Striker unit delivers many times more suppressant capability compared to others. The high-expansion foam is four times more effective than water alone based upon the USDA Forest Services analysis.

✓ Eco-friendly
The Strikeris designed and manufactured with the environment and nature in mind. It suppresses wildland fire using a biodegradable, environmentally safe, water-based additive that is listed on the USDA Qualified Products List (QPL) that has been thoroughly vetted by the world recognized wildland fire research experts. Class A foam is PFAS and PFOS free. (Note: Class A foam should not be confused with the problems associated with Class B foam).

Safe & Easy
Striker has been designed and manufactured to be robust to withstand the harsh environment. The Striker’s features were built to accommodate pilot, mechanic, and ground crew ease of transport, attachment, flight characteristics, detachment, maintenance and environment safety like decrease water contamination and Preventing Aquatic Invasive Species Transportation. The Striker can be equipped with automated systems and features that consider pilot workload in the high risk, low altitude environment.

Striker Airborne Fire Engine™ for type I helicopters e.g Firehawk

Striker Airborne Fire Engine™ For Type I helicopters (e.g., Firehawk)

Unmatched Drop Pattern & Coverage
The Striker drop pattern is unparalleled—no other airborne technology results in foam line length, density, and coverage level. The Striker I Heavy with 3,000 foam solution tank yields a 60,000 US gallons of 1% high expansion foam per drop with Coverage Level (CL) 1-83 gallons per hundred square feet-(gal/100 ft2)-(gpc) of foam. These drops coverage makes for more effective wildland fire suppression with fewer required flight missions, saving time and money.

✓ Highly Versatile & Adaptable
Striker is easy to use—just Pickup & Fly! It does not require any helicopter modifications and therefore no STC nor 337 actions.  Long line/Vertical reference pilot skills are all that is needed, therefore no additional pilot nor crew training is required. Due the Striker variable abilities in dispersing foam (wet-dry),water salvo drop, split drop, rain like droplet, mist and water-enhancer, the Striker can be used effectively in any fire operations drop objective without the need to change the aerial platform.

Effective & Efficient
Based on the tested Striker’s high drop volume, extraordinary drop length, and long-lasting foam, the Striker technology is 500% more effective than the traditional aerial firefighting technologies, and significantly reducing the aerial resource demand and cost.  There are hundreds of helicopters flying thousands of flight hours each year fighting wildland fire from the air.  Pairing of Striker systems to these helicopters is the very definition of a force multiplier.

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The Striker Airborne
Fire Engine™ Foam
vs.
Traditional Aerial
Firefighting Foam

Striker™ High Expansion Foam (Aerially Delivered)Traditional Low Expansion Foam (Aerially Delivered)
Compress Air Foam System (CAFS) QualityNone
Homogenous - StableNon-homogenous - Non-stable
95% of foam solution transformed into foam though controlled foam formationLess than 25% of foam solution transformed into foam through simple agitation
Most of the Foam stays visible and viable on the ground for 30-120 minutesRemining Foam stays visible and viable on the ground  for 1-10 minutes
High expansion foam outputLow expansion foam output
Structural protection- High viscosity Little to no structural protection – Low viscosity
Direct and Indirect medium duration fire AttackDirect attack and very short duration Indirect Attack
Used in Mop-up applicationPerforms no better than any surfactant
High volume of high expansion foamLow volume of low expansion foam
Indirect attack foam line production- Striker I H >4,000 ft per loadShort duration and marginally effective production of foam line
Can Achieve a very high Coverage Level (CL), 1 up to 83 (gal/100 sq. ft.) of foamStandard coverage level
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The Striker Airborne Fire Engine™ Advantages

FeaturesAirtankerBucketHelitankSTRIKER™
Aerial Delivery of High Expansion Foam
Expanded Foam-Fluid Coverage Level (CL) 1-83 CPG
No Aircraft Modification Required
Retention of Aircraft Versatility
Easy to Operate
Line Construction >4,000 in Length
Wildland Urban-Interface Use
Water Enhancer Injection Capability
Proper Tool for Mop-up Operation
Safe Load Drop (No Structural Damage)

Striker Airborne Fire Engine™ Frequently Asked Questions

If you have more questions, please reach out to us via our contact page.

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