PA-34 220T Seneca III — Piper Aircraft PA-34 220T Seneca III

This document is the Pilot’s Operating Handbook (POH) for the Piper PA-34-220T Seneca III, providing essential information for pilots operating this aircraft. It includes operational procedures, performance data, and safety information necessary for safe flight operations. The handbook is FAA approved and must be carried in the aircraft at all times. This revision, dated August 12, 2015, updates previous versions and includes critical safety warnings and operational guidelines. It serves as a comprehensive reference for pilots, ensuring they have the necessary information to operate the Seneca III safely and effectively.

• The Seneca III requires 6 to 8 quarts of oil for proper operation.
• Before starting engines, ensure all circuit breakers are in and radios are OFF.
• The brake system uses MIL-H-5606 hydraulic fluid, which should be checked every 50 hours.
• Main oleo struts should be exposed approximately 3.20 inches under normal static load.
• The aircraft must be tied down at approximately 45-degree angles to prevent damage.