Documentation
Hercules propellers owners guide
This manual is also supplied in printed
format with every new propeller.
Hercules flight testing guide & form
Aid to correct flight testing of your new
propeller to join the owner’s club online
Light aircraft association mod 4 form
Uk light aircraft association
propeller change form (mod 4)
UK CAA A8-24
Overhaul Approvals
UK CAA A8-21
Design and Production Approvals