#OnThisDay in 1993, Boeing finished production on their 1,000th 747, a 747-400 that was delivered to Singapore Airlines in October. Have you ever flown on a Boeing 747? Image: Singapore Airlines Boeing 747-400 Megatop, 2003. Gift of the William Hough Collection. 2004.115.0316 This image was posted on September 10, 2019.