Opposite-direction aircraft | Article about opposite-direction aircraft by The Free Dictionary
Aircraft are operating in opposite directions when (i) they are following the same track in reciprocal directions; (ii) their tracks are parallel and they are flying in reciprocal directions; or (iii) their tracks intersect at an angle of more than 135°.
References in periodicals archive
The dramatic sound track recounts the exchange between the tower controller and a pilot on a collision course with an opposite-direction aircraft
at the same altitude.