appropriate mitigation measures or contingency plans must be in place to deal with potentially hazardous atmospheric conditions expected to be encountered in flight;
ní mór bearta maolaithe nó pleananna teagmhasacha a bheith i bhfeidhm chun dul i ngleic le dálaí atmaisféir a d'fhéadfadh a bheith contúirteach a bhfuil coinne leo le linn na heitilte;