Spiral Box Stairs



Get more platform space and greater stability to keep your crewmembers safe with fixed- or adjustable-height spiral-box stairs.

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  • Every OSHA – and CE-recommended safety feature is built into these units to minimize risk and liability.
  • Premium casters move the solid urethane tires into place with a 10-inch (0.25-meter) diameter swivel for easy maneuverability and long-lasting service.
  • Grip Strut™ steps and platforms provide maximum slip protection.
  • The towbar-actuated parking brake effortlessly secures each unit after it has been maneuvered easily into place by hand.
  • Durable lead-edge rubber bumpers protect the aircraft from strikes.
  • U.S. military-grade, powder-coated finishes keep the stairs looking new for years while providing businesses custom color choices.


  • Choose from fixed or adjustable height options. The fixed 185-inch (4.7-meter) height gives stability at a common loading height while the adjustable height, from 171 to 195 inches (4.3 to 5 meters) offers flexibility for various aircraft.
  • Optional hot-dip galvanizing provides additional corrosion resistance.


1,000 lbs. (454 kg)
10-in. diameter swivel with solid urethane tires
10-ply pneumatic, 20.5-by-8-by-10 in. (52-by-20-by-25 cm)
Tubular steel main frame with Grip Strut™ steps and platforms
Running Gear
Casters on front with a fixed rear axle
Parking Brakes