Order 7110.65P, Air Traffic Control, with changes

7110.65P2/19/04c. The distance between the runways or landingstrips is in accordance with the minima in TBL 3−8−1(use the greater minimum if two categories areinvolved).Aircraft categoryTBL 3−8−1Same Direction Distance MinimaMinimum distance (feet)between parallelRunwaycenterlinesEdges ofadjacent strips orrunway and stripLightweight,300 200single−engine,propeller drivenTwin−engine,500 400propeller drivenAll others 700 6003−8−4. SIMULTANEOUS OPPOSITE DIRECTIONOPERATIONAuthorize simultaneous opposite direction operationson parallel runways, on parallel landing strips,or on a runway and a parallel landing strip only whenthe following conditions are met:a. Operations are conducted in VFR conditions.b. Two-way radio communication is maintainedwith the aircraft involved and pertinent trafficinformation is issued.PHRASEOLOGY−TRAFFIC (description) ARRIVING/DEPARTING/LOWAPPROACH, OPPOSITE DIRECTION ON PARALLELRUNWAY/LANDING STRIP.c. The distance between the runways or landingstrips is in accordance with the minima inTBL 3−8−2.TBL 3−8−2Opposite Direction Distance MinimaType of OperationBetween sunrise andsunsetBetween sunset andsunriseMinimum distance (feet)between parallelRunwaycenterlinesEdges ofadjacent stripsor runway andstrip1,400 1,4002,800 Not authorized3−8−2Spacing and Sequencing