Piper PA-23 Apache — Supplemental Type Certificate

This document serves as a comprehensive overview of the Piper PA-23 Apache, a light twin aircraft that has been a staple in multi-engine training for many years. The Apache, introduced in 1954, has undergone various modifications and is recognized for its spacious cabin and relatively economical operation. However, it has faced challenges in the training market due to its single-engine performance limitations. This document discusses the Apache's specifications, performance characteristics, and the implications of its use as a training aircraft. It is intended for pilots, aviation enthusiasts, and potential buyers of used aircraft, providing insights into the Apache's operational capabilities and maintenance considerations.

• Cruise speed: 140 knots at 65% power
• Fuel consumption: 18 gallons per hour
• Single-engine climb rate: approximately 100 feet per minute
• Vmc (minimum control speed): 76 knots
• Typical used market price: $10,000 to $20,000