A China Eastern Airlines Boeing 737 aircraft was forced to delay its landing at Wuhan, China after two air traffic controllers nodded of, according to an official report.
On July 8, 2014, Flight MU2528 was delayed for about an hour when it took off from Sanya Airport (SYX) at 00:48. The night time flight was bound for Wuhan (WUH). The Boeing 737-800 (B-5731) was descending towards Wuhan Airport when the crew attempted to contact the Wuhan Tower air traffic controller. They failed to establish contact despite numerous attempts in a period of twelve minutes.
After contact was established, a safe landing was carried out at 02:50 hours local time. According to an official statement, two controllers were asleep at the time of the incident.
- Official statement (in Chinese)