COVID-19 - Suspension of the Requirement to don Protective Breathing Equipment by Cabin Crew During Annual Recurrent Training

General exemption from the requirement for cabin crew to don Protective Breathing Equipment during annual recurrent training in response to the exceptional circumstances caused by the Covid-19 outbreak. An AltMOC for AMC1 ORO.FC.230 has been issued with a similar alleviation for flight crew. Replaces Official Record Series 4 No. 1435 with effect from 31 March 2021.