Austral Líneas Aéreas Flight 046, a McDonnell Douglas MD-81, crashes short of the runway at Libertador General José de San Martín Airport, killing all 22 people on board.

Austral Líneas Aéreas Flight 046 was an Argentine scheduled domestic flight from Buenos Aires to Posadas, via Resistencia, that undershot the runway at Libertador General José de San Martín Airport in Posadas on June 12, 1988, in conditions of poor visibility. All 22 of the occupants of flight 046 were killed in the crash.

The McDonnell Douglas MD-80 is a series of five-abreast single-aisle airliners developed by McDonnell Douglas. It was produced by the developer company until August 1997 and then by Boeing Commercial Airplanes. The MD-80 was the second generation of the DC-9 family, originally designated as the DC-9-80 and later stylized as the DC-9 Super 80 . Stretched, enlarged wing and powered by higher bypass Pratt & Whitney JT8D-200 engines, the aircraft program was launched in October 1977. The MD-80 made its first flight on October 18, 1979, and was certified on August 25, 1980. The first airliner was delivered to launch customer Swissair on September 13, 1980, which introduced it into service on October 10, 1980.

Libertador General José de San Martín Airport is located 7.5 km (4.7 mi) southwest of the center of Posadas, a city in the Misiones Province of Argentina. The airport covers an area of 329 hectares and is operated by Aeropuertos Argentina 2000

June 12 is the 163rd day of the year in the Gregorian calendar; 202 days remain until the end of the year.