Submitted by György Chityil ... on Fri, 01/19/2018 - 18:09 Hierarchy: NounDescription: {{aeronautics}} A device which warns the pilot that the aircraft may be in danger of collision with the ground.Ngram: ground proximity warning systemNgram Text: ground proximity warning systemSource: WiktionaryIssue: 0Wiktionary tag: aeronauticsNgram Count: 4
