TRANSPORT|air and space transport|air transport
- airdemhéadracht aerbheirthe Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- airborne altimetry
- en
- Definition measurement of the altitude of an aircraft or spacecraft above the terrain presently beneath that aircraft or spacecraft Reference "COM-Terminology Coordination, based on: Oxford Dictionaries: 'altimetry' (14.5.2019), Wikipedia: 'Radar altimeter' (14.5.2019) and SKYbrary: 'Radio Altimeter' (14.5.2019)"