OROCAOff Route Obstruction Clearance Altitude
References in periodicals archive ?
It can go by many different names: Minimum Envante Altitude or MEA, Miniumun Obstacle Clearance Altitude or MOCA, Off Route Obstacle Clearance Altitude or OROCA, Off Route Terrain Clearance Altitude or ORTCA, Emergency Safe Altitude or ESA, Maximum Elevation Feature or MEF, and, finally, Minimum Vectoring Altitude or MVA.
OROCA, Moldova: The king of Moldova's gipsies made arrangements to communicate with those he left behind after he death - he was buried with his computer, fax modem and mobile phone.