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Aviation Dictionary

Back course (BC)

The reciprocal of the localizer course for an ILS. When flying a back-course approach, an aircraft approaches the instrument runway from the end at which the localizer antennas are installed.

Dictionary Term

Back course (BC)

Definition

  • The reciprocal of the localizer course for an ILS. When flying a back-course approach, an aircraft approaches the instrument runway from the end at which the localizer antennas are installed.

References

  • Airplane Flying Handbook · Federal Aviation Administration · 2021