May 12, 1999

Incident at Gander Oceanic

COA063 DC10 progressing in Gander Oceanic , turned right on course for " DOTTY" when actually was cleared for Gander ( 50/50 ). Aircraft deviated approximately 23 nautical miles of cleared route placing them outside the protected airspace. Crew acknowledged error, and advised two GPS was being utilized ; one programmed for " DOTTY" and other programmed for "Gander". Nil traffic. Nil TSB