We found one dictionary that defines the word ground based navigation aid:

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1. ground-based navigation aid: Encyclopedia

▸ Words similar to ground based navigation aid ▸ Usage examples for ground based navigation aid ▸ Idioms related to ground based navigation aid ▸ Wikipedia articles (New!) ▸ Words that often appear near ground based navigation aid ▸ Rhymes of ground based navigation aid ▸ Invented words related to ground based navigation aid