Piper PA-34 Seneca III — Type Certificate

This Type Certificate Data Sheet (TCDS) No. A7SO provides essential information regarding the Piper PA-34 Seneca III and its variants, including the PA-34-200, PA-34-200T, and PA-34-220T. It outlines the airworthiness requirements as prescribed by the Federal Aviation Administration (FAA) and includes details on engine specifications, weight limits, performance data, and operational limitations. This document serves as a reference for pilots, maintenance personnel, and aviation enthusiasts interested in understanding the specifications and operational capabilities of the Seneca III. The TCDS is crucial for ensuring compliance with safety regulations and for the proper operation of the aircraft.

• Maximum takeoff weight for PA-34-200 is 4000 lb; for PA-34-220T, it is 4200 lb.
• Engine limits are set at 2700 RPM with a total output of 200 hp.
• VNE is 217 mph (188 knots); VNO is 190 mph (165 knots).
• Fuel capacity is 98 gallons, with 93 gallons usable.
• Control surface movements include ailerons up to 30° and down to 15°.