pathfinder aircraft

例句：

1. 1. The pathfinder aircraft was used to map the terrain for the construction crew.
   路径探索机被用来为建设团队绘制地形图。
2. 2. The pathfinder aircraft was equipped with advanced navigational systems.
   路径探索机配备了先进的导航系统。
3. 3. The pathfinder aircraft was a critical tool in the search and rescue mission.
   路径探索机是搜救任务中的关键工具。