On Tuesday gunmen dressed as police officers stole more than R20 million in foreign currency from the cargo area.
Acsa has confirmed that the two vehicles used have been recovered in Mamelodi.
The latest robbery at the supposedly secure side of the OR Tambo International Airport comes just five months after a gang made off with an estimated one-and-a-half tons of electronic goods in crates.
On Tuesday night, the criminals entered the air cargo side of the facility dressed as police offices, but it in the October incident they had further help from airport staff.
