The flight, from Schiphol to the Texel International Airport and back, was part of an outing for the staff of the Roads, Traffic, and Transport department of the province of Noord-Holland, and some employees of DDA sponsor Ballast Nedam.
[4] The propeller of the failed engine must be feathered, but it likely could not be done because a small piston in an oil pressure switch had become stuck.
[5] The workload of the crew was increased due to multiple technical issues and the unfortunate layout of the Dakota's instrument panel.
Since then, the DDA fleet has operated under normal European JAR-OPS regulations, which also apply to regular civil aviation.
It was unveiled on September 25, 1997, by two chaplains of the Royal Netherlands Navy who assisted the relatives after the disaster.
The monument, commissioned by the province of Noord-Holland and created by sculptor Theo Mulder, consists of a pedestal of basalt, a glass plate with the names of the victims, and a sculpture of bronze wings.