The state of war between South Africa and Angola briefly ended Process_end with the short-lived Lusaka Accords , but resumed Process_start in August 1985 as both PLAN and UNITA took Getting advantage of the ceasefire to intensify Cause_change_of_strength their own guerrilla activity , leading to Causation a renewed phase of FAPLA combat operations culminating in the Battle of Cuito Cuanavale .

On the date of the accident , the aircraft was flying Motion a special charter Renting for UNITA .

Following the 1993 trade embargo on UNITA there were frequent `` sanction Preventing_or_letting busting '' flights out of Zaire .

The war Hostile_encounter was a power struggle between two former liberation movements , the communist People 's Movement for the Liberation of Angola ( MPLA ) and the anti-communist National Union for the Total Independence Creating of Angola ( UNITA ) .

The MPLA and UNITA had different roots in Angolan society and mutually incompatible leaderships , despite their shared aim Aiming of ending Process_end colonial rule .

A third movement , the National Front for the Liberation of Angola ( FNLA ) , having fought Hostile_encounter the MPLA with UNITA during the war Hostile_encounter for independence , played Participation almost no role in the Civil War Hostile_encounter .