TRANSPORT|air and space transport|air transport
- ró-ró Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- rho-rho
- en
- Definition shorthand for a coordinate system in which the position of a point is defined(with some ambiguity)by its distances from two points of known position.Hence,an adjective used to describe a navigation system Reference Multilingual Aeronautical Dictionary(AGARD,1980)