Specific Issues 5th Strap Modification Assembly Access Hatch Airbrakes Airspeeds Assembly Avionics Bug Wipers Canopy Control Surfaces Control Sticks (PDF) Elevator Instrument Panel Main Wheel Modification Issues Pilot Relief Systems One-Person Assembly Rigs Seals Seat Pan Trailers Turbulators Wing Wheel Water Ballast Weight and Balance Winglets Wing Tie-Down Points Wing Tip Protection