Runway Overrun Dynamics & Arrestor System Simulator

When an aircraft touches down at high speed on a wet, contaminated runway (μ ≤ 0.28), antiskid braking efficiency drops precipitously. Pilots apply maximum manual toe braking and deploy reverse thrust, pumping enormous kinetic energy into multiple carbon brake packs.

• Kinetic Energy Dissipation: A 312,000 lb freighter at 142 kts possesses over 280,000,000 ft-lbs of kinetic energy (~180+ Million BTU).
• Thermal Fuse & Smoke Emissions: In an emergency stop, brake rotor cores exceed 800°C (1,470°F), vaporizing hydraulic fluid traces and causing tire tread reversion that generates dense billowing white and gray smoke plumes.
• Reverse Thrust Asymmetry: In wet conditions, delayed reverse spool-up eats into critical safety margins before ground aerodynamic drag decays.

EMAS consists of high-energy-absorbing cellular concrete blocks placed at the departure end of a runway safety area (RSA). As landing gear crushes the brittle concrete slabs, drag forces decelerate the aircraft rapidly without causing catastrophic airframe breakup or gear collapse.

• Predictable Crush Depth: Designed to reliably decelerate aircraft entering at up to 70 knots with zero fatalities.
• KMIA Installation: Both Runways 09/27 and 08L/26R at Miami International Airport feature EMAS arrestor beds protecting perimeter roads and airport facilities.
• Deceleration Factor: Cellular concrete imparts up to 0.8G deceleration, dwarfing wet pavement antiskid friction (<0.25G).