Another Jet Mysteriously Vanished in 2003 Boeing 727 left Uganda in 2003 and remains missing
For those suggesting that the disappearance of Flight 370 is unparalleled in aviation history, Vocativ would like to remind them that another large Boeing jet took off from an airstrip in Angola in 2003 and hasn't been seen since. Big difference: That jet had no passengers aboard, but the circumstances surrounding its disappearance are pretty strange nonetheless. Two mechanics-American Ben Charles Padilla and Congolese assistant John Mikel Mutantu-boarded the Boeing 727 on a Luanda airstrip to get it in shape for its next flight. Neither had a pilot's license, which is why flight controllers were stunned when the plane taxied to the runway and then took off... 
http://www.blacklistednews.com/Anot...03_and_remains_missing/33732/0/38/38/Y/M.html
For those suggesting that the disappearance of Flight 370 is unparalleled in aviation history, Vocativ would like to remind them that another large Boeing jet took off from an airstrip in Angola in 2003 and hasn't been seen since. Big difference: That jet had no passengers aboard, but the circumstances surrounding its disappearance are pretty strange nonetheless. Two mechanics-American Ben Charles Padilla and Congolese assistant John Mikel Mutantu-boarded the Boeing 727 on a Luanda airstrip to get it in shape for its next flight. Neither had a pilot's license, which is why flight controllers were stunned when the plane taxied to the runway and then took off... 
http://www.blacklistednews.com/Anot...03_and_remains_missing/33732/0/38/38/Y/M.html