TRANSPORT|air and space transport|air transport
- íosairde ceantair Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- minimum sector altitude | MSA
- en
- Sainmhíniú the lowest altitude which may be used under emergency conditions which will provide a minimum clearance of 300 m (1,000 ft) above all objects located in an area contained within a sector of a circle of 46 km (25 nm) radius centered on a radio aid to navigation Tagairt ICAO Annex 4, PANS-OPS