5.5 Equipment Restraint Area & Equipment Restraint Line
The Equipment Restraint Area (ERA) is defined as the area of the apron in which an aircraft is parked during ground operations. It may be indicated by a painted line. If no markings exist, local procedures must establish safe parking areas, etc. The illustration below provides an example of the markings used at some locations.
The ERA must be free of obstructions and Foreign Object Debris (FOD) before and during aircraft arrival and departure.