WENDELL ROELF SOUTH Africa's state-controlled airports company ACSA has signed a new 3 billion rand ($174 million) loan with domestic banks and shelved major projects to shore up its finances in the coronavirus crisis, its finance chief said on Thursday. Since March, when South Africa declared a state of disaster to contain the COVID-19 pandemic, major domestic airports such as the continent's busiest, OR Tambo in Johannesburg, have closed, knocking revenue at Airports Company SA (ACSA). "We've got facilities of 3 billion rand confirmed," Chief Financial Officer Siphamandla Mthethwa told Reuters. The deal with Standard Bank, Rand Merchant Bank and…