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No. of STCs: 3

STC Holder: Willow Mountain Ranch HC 89 Box 100, Willow, AK 99514, United States		Contact: Kenneth Phone: 907-232-4576 E-Mail: Web Site:
STC No.: SA02384AK	Status: Current	App Date: 04/05/2010	Rev Date: 06/28/2011
Description: Installation of a cabin forward battery box in accordance with Willow Mountain Ranch, Drawing No. WMR-FBB-05, Rev. A, dated May 13, 2011 or later FAA approved revision.
TC Nos.: 1A2
Models: Piper Aircraft Inc.PA-18, PA-18-105 (Special), PA-18-125 (Army L-21A), PA-18-135, PA-18-150, PA-18A, PA-18A-135, PA-18A-150, PA-18AS-125, PA-18AS-135, PA-18AS-150, PA-18S, PA-18S-105 (Special), PA-18S-125, PA-18S-135, PA-18S-150
ACO: AIR-778: Alaska Aviation Section ANC

STC Holder: Willow Mountain Ranch Willow Mountain Ranch, HC Box 100, Willow, AK 99688, United States		Contact: Kenneth Phone: 907-232-4576 E-Mail: Web Site:
STC No.: SA02407AK	Status: Current	App Date: 02/29/2012	Rev Date: 03/13/2013
Description: Installation of lowered baggage floor
TC Nos.: 1A2
Models: Piper Aircraft Inc.PA-18, PA-18-105 (Special), PA-18-125 (Army L-21A), PA-18-135, PA-18-150, PA-18A, PA-18A-135, PA-18A-150, PA-18AS-125, PA-18AS-135, PA-18AS-150, PA-18S, PA-18S-105 (Special), PA-18S-125, PA-18S-135, PA-18S-150, PA-19 (Army L-18C), PA-19S
ACO: AIR-778: Alaska Aviation Section ANC

STC Holder: Willow Mountain Ranch HC 89 Box 100, Willow, AK 99688		Contact: Kenneth Phone: 907-232-4576 E-Mail: Web Site:
STC No.: SA02579AK	Status: Current	App Date: 10/06/2022	Rev Date: 12/21/2023
Description: Installation of Swing bar
TC Nos.: 1A2, A-691, A-692, A-698
Models: Piper Aircraft Inc.J3C-40, J3C-50, J3C-50S, J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2)), J3C-65S, J3F-50, J3F-50S, J3F-60, J3F-60S, J3F-65 (Army L-4D), J3F-65S, J3L, J3L-65 (Army L-4C), J3L-65S, J3L-S, PA-11, PA-11S, PA-18, PA-18-105 (Special), PA-18-125 (Army L-21A), PA-18-135, PA-18-150, PA-18A, PA-18A-135, PA-18A-150, PA-18AS-125, PA-18AS-135, PA-18AS-150, PA-18S, PA-18S-105 (Special), PA-18S-125, PA-18S-135, PA-18S-150, PA-19 (Army L-18C), PA-19S
ACO: AIR-778: Alaska Aviation Section ANC