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| navigationshjælpemiddel | |||
| hjælpemidler for navigation | |||
| English thesaurus | |||
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| Any visual or electronic device, airborne or on the surface of the earth, that provides point-to-point guidance information or position data to aircraft in flight | |||
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navigation aid : 12 phrases in 3 subjects |
| Communications | 3 |
| Life sciences | 1 |
| Transport | 8 |