The 41-year-old was the only person on board the T-2E Buckeye, a twin-engine training jet. The incident occurred near the Kalamata airbase and the cause of the accident is under investigation, Xinhua reported on Wednesday.
Reports said an explosion was heard shortly before the crash.
The T-2E Buckeye aircraft made in the United States is HAF's only training jet aircraft and is used for the final stage of young pilots' training, according to HAF's website.
MNA