PSS-KT-34B SEAL KIT, Piper Strut | McFarlane Aviation, Inc. 
18TB4-1 Alaska Gear Company Piper Square 4130 Chromoly Rudder Assembly for Experimental PA-18-Style Aircraft | 18TB41
$1,023.39
- 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
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.
| Weight | 20 lbs |
|---|---|
| Dimensions | 14 × 14 × 14 in |
If you need to pick up parts our store and warehouse is conveniently located at Allegheny County Airport (KAGC) in Western Pennsylvania. Fly or drive in for your parts if you are in the area!
Aircraft Supply and Repair Inc.
21 Allegheny County Airport
West Mifflin, Pennsylvania 15122
- Orders: 800.569.9397
- Customer Service & Technical Support: 412.469.1747
- Fax: 412.469.8271
- info@aircraftsupply.com
Call us if you need assistance, Parts Support is our expertise and we are happy to help. Please feel free to contact us at 1.800.569.9397, 412.469.1747 or by email, info@aircraftsupply.com We look forward to supporting your aircraft needs!
