The light aircraft crashed in a field near Old Sarum Airfield, north of Salisbury, Wiltshire a spokesman for Wiltshire Fire and Rescue Service said.
The gyrocopter burst into flames on landing in a field off Hilltop Way in Bishopdown at around 12.30pm, setting fire to 100m sq of grass.
The fire service spokesman said: "A fire engine and an emergency support unit from Salisbury went to the scene, to find the gyrocopter well alight and the male pilot dead.
"Firefighters have been assisting Wiltshire Police in the search for debris."
The Air Accidents Investigation Branch (AAIB) confirmed that it had sent an investigator to the scene.