In the notification of December 1998 KLM stated: ‘Reality, however, is seldom black and white, the border line between scheduled and charter services is situated in a grey area. Guaranteed seats sold on scheduled flights to tour operators on routes to popular holiday destinations in the Mediterranean, come close to similar services on charter flights.’
Nella notifica del dicembre 1998 KLM affermava: «La realtà, tuttavia, è raramente bianca o nera, il confine tra voli di linea e charter si trova in un'area grigia.