TRANSPORT · TRANSPORT|land transport|land transport · PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations
- táscaire airde Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- height indicator
- en
- Definition an aircraft instrument which indicates the distance between the aircraft and the surface vertically beneath it Reference Multilingual Aeronautical Dictionary(AGARD,1980)