a flight must be performed in such a way that appropriate separation from other aircraft is maintained and that adequate obstacle clearance is ensured, during all phases of the flight.
ní mór eitilt a dhéanamh i dtreo is go mbeidh spás iomchuí fágtha idir an t-aerárthach agus aerárthaí eile agus gur leor an réiteach constaicí a dhéanfar, ag gach céim den eitilt.