Protecting aircraft and sensitive equipment requires fast, effective, and residue-free fire suppression. The HT Series Model 551 is a 12.5 lb. 2A:10B:C clean agent extinguisher, specifically designed for flightline and ground support operations where larger coverage and higher fire ratings are needed.

Why Choose model 551 for the Flightline?

• Clean agent, halon-free – safe for avionics, electronics, and composite materials
  
• Effective on Class B & C fires – flammable liquids and electrical equipment
  
• Heavy-duty and ready for larger incidents – ideal for ramp areas, hangars, and major GSE locations Note: Vehicle mounting requires the purchase of vehicle bracket 809 (not included).
  
• Discharge hose eases access to hard-to-reach fires
  
• 12-year non-rechargeable service life – ready when you need it
  
• Compliant – UL, ISO, EN, EASA, and FAA-approved halon extinguishing agent replacement
  Note: Does not have FAA approvals for installation on aircraft.

Ideal Flightline Applications

• Hangars and larger maintenance areas – covering multiple workstations or aircraft positions
  
• Ground support equipment hubs – GPU panels, air-start units, de-ice trucks, diagnostics
  
• Ramp and flightline coverage – line service zones, dispatch offices, operations vehicles
  
• High-risk electrical or fuel handling areas – control panels, fuel pits, and refueling zones

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