locator outer marker

短语

词形变化

locator outer markers 复数 locator outer markers

别名

LOM

释义与例句

n.
  1. 1.

    A ground-based radio navigation aid consisting of a pair of colocated radio beacons at the final approach fix of an ILS or IGS approach course: an NDB to guide aircraft to the approach fix, and an outer marker to alert aircraft as they pass over the station.

    美国 航空 商务 工程