A final report into the incident is due to be published soon.
Peter Hughes died when the plane he was flying crashed and caught fire in July 2024.
A reports says pilot Matthew Bird and passenger Oliver Dawes were performing aerobatic manoeuves.
Pilot Nicholas Denison-Pender was killed when his light aircraft crashed near Fife Airport in 2024.
Investigators say the Cessna’s engine was not cleaned properly which led to an oil leak.
Investigators say deteriorating weather and a rushed landing contributed to the accident.
A team from the Air Accidents Investigation Branch is at the scene of the crash in Littleborough.
The crash which killed Peter Beeson, 66, is being investigated by the air accident officials.
Inspectors say the pilot did not have time to fully explain the electrocution risk to passengers.
