PA-39 — Piper Aircraft PA-39

This document is the service manual for the Piper Twin Comanche, specifically covering the PA-30 and PA-39 models. It provides detailed information on the maintenance, servicing, and operational procedures for these aircraft. The manual includes sections on handling, inspection, structures, surface controls, landing gear, power plants, fuel systems, and electrical systems, among others. It is intended for use by maintenance personnel and technicians who are responsible for the upkeep and repair of the Twin Comanche aircraft. The manual is organized into several sections, each focusing on different aspects of the aircraft, ensuring that users can easily find the information they need for effective maintenance and operation.

• The manual is effective for all PA-30 and PA-39 airplanes, covering serial numbers from 30-1 to 39-155.
• Routine inspections are critical for maintaining airworthiness and should be performed at specified intervals.
• The power plant section provides detailed maintenance procedures for both normally aspirated and turbocharged engines.
• Proper handling and servicing procedures are essential to ensure the longevity and safety of the aircraft.
• The landing gear and brake system section includes troubleshooting guidelines to address common issues.