s 1403, 1404, 1405, and 1406; Select all that apply. An A/D Director _______________________ . Can be a competent person and qualified for assembly/disassembly Can be a competent person assisted by one or more qualified persons Must conduct training or a meeting with the crew to cover tasks, hazards, and avoidance of hazardous position. Must have previous experience with assembling/disassembling the same piece of equipment of attachment