TRANSPORT · TRANSPORT|land transport|land transport
- airde chriticiúil Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- critical height
- en
- Definition the height above aerodrome elevation at which descent during instrument approach should be discontinued if the approach cannot be continued visually Reference Multilingual Aeronautical Dictionary(AGARD,1980)