Complex sentence: Today, spin training is not required for private pilot certification, added to this most training type aircraft are placarded "intentional spins prohibited", some model Cessna 172's are certified for spinning, although they can be difficult to actually get into a spin.
Split into simpler sentences: Today, spin training is not required for private pilot certification; added to this most training type aircraft are placarded "intentional spins prohibited". Some model Cessna 172's are certified for spinning, although they can be difficult to actually get into a spin.