Complex sentence: An unscientific survey of pilots who have flown this aircraft will reveal rave review for its timeless looks, airborne performance and handling characteristics but they will also readily concede that maintenance cost due to the aircraft's complexity can be a drawback to owning this plane.
Split into simpler sentences: An unscientific survey of pilots who have flown this aircraft will reveal rave reviews for its timeless looks, airborne performance and handling characteristics. But they will also readily concede that maintenance costs due to the aircraft's complexity can be a drawback to owning this plane.