Question: Korean Air Cargo Flight 8509 was a Boeing 747-2B5F, registered HL7451 and bound for Milano-Malpensa Airport, that crashed due to instrument malfunction and pilot error on 22 December 1999 shortly after take-off from London Stansted Airport, an international airport located at Stansted Mountfitchet in which local government district, in Essex, 30 mi northeast of Central London?
Sentence (from "Korean Air Cargo Flight 8509"): All four crew on board were killed.
Relevant evidence: No