What is another word for pilot engine?
Pronunciation: [pˈa͡ɪlət ˈɛnd͡ʒɪn] (IPA) 
A pilot engine, also known as a pilot locomotive, is a train that travels ahead of a main train to identify obstacles like obstructions, broken tracks, or other hazards. In some cases, it can also assist the main train to start moving by pushing from behind. The word pilot engine is primarily used in the United Kingdom. However, it is also called a pilot locomotive in North America, and a helper engine or a pilot train in Australia. In France, it is referred to as a machine de reconnaissance while in Germany it's known as a Vorspannlok or Vorläufer. In India, it's called a banker engine, and in South Africa, it's known as a Belpaire.
