Sol Líneas Aéreas Flight 5428 crash

The flight crew declared an emergency at 8:50 pm (UTC−03:00). Local people located at around 2 kilometres (1.2 mi) away from the crash site saw an airplane flying extremely low. A few moments later they heard explosions and noticed black smoke coming from the ground, which suggested an accident had occurred. Firefighters arrived at the scene three hours later, finding no survivors. The blackbox was located the following day near the crash site. and retrieved on 20 May.

Aircraft

The plane involved in the accident was a 26-year-old Saab 340A. It made its first flight on 25 April 1985. On 30 May 1985, it was delivered to Comair and registered N344CA. On 1 February 1997, it became N112PX with Northwest Express. It retained the same registration when it went to the Puerto Rican carrier Fina Air on 17 July 2003, and later on, when it went to fly for RegionsAir on 25 May 2006. The airplane was stored by this latter airline in March 2007 before being bought by Sol Líneas Aéreas on 30 July 2010.

Passengers

One of the passengers was a child, while the rest were adults. Nine passengers boarded the airplane in Mendoza, nine in Neuquén, and one in Córdoba. One of the passengers used a passport for identification purposes at the check-in desk, while the rest used Argentine Documento Nacional de Identidad (DNI) identity documents. All of the passengers had Comodoro Rivadavia as their final destination, except for one of them, who flew from Córdoba to Mendoza.

Investigation

Argentina's Junta de Investigaciones de Accidentes de Aviación Civil (JIAAC) opened an investigation into the accident. In September 2011, a preliminary report was issued which stated that the cause of the accident was a stall due to severe airframe icing, and subsequent loss of control. The information in the preliminary report is subject to change before a final report is issued.