During the afternoon of Saturday the 15th of September, the crew of an L-39 of the Breitling Jet Team ejected from its aircraft after developing mechanical trouble. The team was overflying the Netherlands on its way to a meeting in Belgium.
The two-man crew, composed of the pilot and a mechanic in the rear seat, escaped unharmed while the aircraft crashed in a field.
Source: Blog de Piloter Mag
Updated: the accident took place on Saturday, not Sunday.