Vincent Dekker
Dekker was supported in his own investigation by the ´Werkgroep Vliegverkeer Bijlmermeer´ to answer unanswered and unexplained questions. The Werkgroep was founded in November 1992, a month after the crash. The Werkgroep objected against the intensity of the air traffic over dense populated areas around Schiphol Airport. Dekker concluded on the basis of his own information that events contributing to the cause of the crash could not have developed as communicated by the officials during the accident investigation.