Abstract: A method provides alert information, regarding an aircraft wheel braking system, to an operator of an aircraft during an aircraft landing. An input of a target deceleration rate for the landing aircraft is received prior to the aircraft having landed on a ground surface. At least one sensor electronically collects information relevant to a real-time deceleration rate of the aircraft after the aircraft has landed on the ground surface, and the real-time deceleration rate of the aircraft is calculated. The target deceleration rate is compared to the calculated deceleration rate to determine an effectiveness of the aircraft wheel braking system. A visual, audible, or tactile alert is optionally provided to the operator of the aircraft, and data from this system could also be used as an input for various other aircraft safety systems. A system for performing the method is also provided.

Abstract: An apparatus and a method of clearing an accumulation of matter from a surface is provided. The apparatus includes a collecting section, a casting section, and a shifting section. The shifting section is at least one of a diverting section, a sweeping section, and an air blowing section. The collecting section includes a blade and is in matter communication with the casting section. The diverting section includes an auxiliary blade oriented at an angle about an axis transverse to a direction of travel. The sweeping section includes a rotatable broom with bristles. The air blowing section is configured to blow air in a predetermined direction.