Examined: The Safety Procedures Surrounding The Use Of Ground Vehicles At Major Airports

Recently, an SG Sky Chefs truck struck an Alaska Airlines Boeing 737-700 parked at Seattle-Tacoma International Airport (SEA). It is somewhat common for aircraft to collide during taxing or pushback (like with American Eagle Embraer E175 recently). With so many moving vehicles at airports, some accidents are always bound to happen, but what are the safety procedures involving airport ground vehicles at major airports?