Abbreviated term for Standard Alphanumeric Route IndicatorAn alphanumeric Route Indicator having medium range (category two) performance. (Formally known as a Theatre or Multi-Lamp type Route Indicator.) More.
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Abbreviated term for Standard Alphanumeric Route IndicatorAn alphanumeric Route Indicator having medium range (category two) performance. (Formally known as a Theatre or Multi-Lamp type Route Indicator.) More.