Clipper Maid of the Seas (N739PA) was a Boeing 747-121, the 15th 747 built. It was destroyed because a bomb that had been placed in the hold by Abdelbaset al-Megrahi, a Libyan intelligence officer, detonated while flying over Lockerbie, Scotland, UK. At the time of the explosion, it was operating as Pan Am flight 103 (PA103, PAA103).