IN MEMORY OF FLIGHT SA295
This cache has been placed at a memorial to those who lost their lives when the South African Airways B747-200 Combi [Helderberg]- operating from Taipei to Johannesburg with a technical fuel stop in Mauritius - was lost in the sea east of Mauritius after a devasting on-board fire caused the flight to go down. This happened 28 November 1987. 159 souls perished in the accident that night.
Please read the article for more details. https://en.wikipedia.org/wiki/South_African_Airways_Flight_295