Dart Center for Journalism and Trauma every year to attend an intensive weeklong seminar program, including discussions with journalist colleagues, and the annual conference of the International Society for Traumatic Stress Studies. As of November 2008, 80 journalists—from 19 states and seven nations—had been selected for Dart Center Ochberg Fellowship. The Dart Center has also encouraged and led research on the psychological impact of reporting traumatic events on journalists, and encouraged the development of training and support programs at leading news organizations. Its affiliate Dart Centre in Europe has developed programs for the BBC and other news organizations. Dart Centre Australasia works actively with journalists in
Slingsby Dart Dart 17. The first Dart 17 used an undercarriage with a less extended wheel, fitted in a fairing but almost all later ones were fitted with a retracting undercarriage. The later Dart 15s used a similar metal and wood spar and had the root fillet, producing a net weight saving of 45 lb (21 kg) and a corresponding improvement in sink rate. Most Dart 15s retained the fixed wheel undercarriage to allow them to compete as Standard Class. Darts with retractable gear gained an R in their designation, e.g. 17R. The 1965 World Championships saw only modest success for the