MO 与 PAC是什么的缩写？这个法规我一直找不到

野鹅

4.10.1 Continuation Training

The MO must ensure that all certifying staff and support staff are involved in at least six months of actual relevant aircraft or component maintenance experience in any consecutive two-year period.  Involved in actual relevant aircraft or component maintenance means that the person has worked in an aircraft or component maintenance environment and has either exercised the privileges of the PAC and/or has actually carried out maintenance on at least some of the aircraft type systems specified in the PAC.