Numsa instructs attorneys to take action against SAA over unpaid salaries The union said its members at SAA Technical have not yet received their salaries. FILE: An SAA aircraft. Picture: AFP 19 hours ago JOHANNESBURG - The National Union of Metalworkers of South Africa (Numsa) on Friday said it was disgraceful that workers at South African Airways (SAA) continue to bear the brunt of the mismanagement of the state-owned airline despite a business rescue plan being put in place. The union said its members at SAA Technical have not yet received their salaries.