Piper Rudder Assemblies

Piper Rudder Assembly

Alaska Gear Company FAA-PMA Replacement for Piper P/N 15726-002
Complies with AD 2025-02-11 Requirements

Alaska Gear Company’s AF40622 Piper rudder assembly is an FAA-PMA approved direct replacement for Piper P/N 15726-002, manufactured with a 4130 chromoly steel rudder post to meet the material requirements of FAA AD 2025-02-11.

AD 2025-02-11 addresses rudder post failures associated with legacy rudders manufactured from 1025 carbon steel, which have demonstrated susceptibility to corrosion-assisted fatigue cracking, sometimes without visible warning. This replacement rudder from Alaska Gear Company is manufactured from 4130 chromoly steel, the material specified by the AD to correct the unsafe condition.

The assembly is supplied uncovered and powder-coated for corrosion resistance and long-term durability, and includes pre-installed brass bushings to simplify installation and reduce downtime. The rudder is configured with a lower rear beacon only, matching applicable configurations.

Applicable Aircraft:
Many Piper PA-12, PA-14, PA-18, PA-20, PA-22, and select J-3 and PA-11 models originally equipped with rudders using Piper P/N 15726-002 or equivalent configurations. Direct replacement for P/N 15726-002.

Piper Square Rudder Assembly

Alaska Gear Company 4130 Chromoly Rudder for Experimental PA-18-Style Aircraft
Addresses AD 2025-02-11 Material Concerns

The Alaska Gear Company 18TB4-1 square rudder assembly is designed for experimental PA-18-style aircraft and is manufactured with a 4130 chromoly steel rudder post, addressing the material-related safety concerns identified in FAA AD 2025-02-11.

AD 2025-02-11 identifies fatigue and corrosion issues associated with rudder posts made from 1025 carbon steel. This square-style rudder post is constructed from 4130 chromoly steel, providing improved fatigue resistance, corrosion durability, and long-term structural integrity compared to legacy materials.

The rudder assembly is supplied uncovered and powder-coated and includes pre-installed brass bushings to reduce installation time. This configuration includes a rear navigation light cup and does not include a strobe mounting location.

Features

• Designed for experimental PA-18-style aircraft
• Rudder post manufactured from 4130 chromoly steel
• Addresses fatigue and corrosion concerns outlined in AD 2025-02-11
• Lightweight, durable construction
• Powder-coated for corrosion resistance
• Rear navigation light cup installed
• Pre-installed brass bushings for simplified installation
• No strobe mounting provision