Original sentence: C101AP: Fitted with retractable landing gear and removable winglets.C101P: Fitted with fixed landing gear and removable winglets
Edited sentence: C101AP: Fitted with retractable landing gear and fittings for winglets.C101B: Fitted with carbon fibre main spar allowing additional water ballast to be carried.C101BC: Different wing shape and carbon fibre main spar.C101D: Different wing shape to increase performance.C101P: Fitted with fixed landing gear and fittings for optional winglets