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Other aircraft modifications

STC SA02579AK

FAA DRS lists SA02579AK as Current · Issued, held by Willow Mountain Ranch, for Piper Aircraft J3C-40, Piper Aircraft J3C-50, and Piper Aircraft J3C-50S, and 32 more aircraft configurations. Recorded change: Installation of Swing bar. Snapshot dated June 30, 2026.

FAA-listed holder
Willow Mountain Ranch
Aircraft configurations
35
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

SA02579AK identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Piper Aircraft J3C-40, Piper Aircraft J3C-50, and Piper Aircraft J3C-50S, and 32 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Piper Aircraft J3C-40A-691Piper Aircraft J3C-50A-691Piper Aircraft J3C-50SA-691Piper Aircraft J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2))A-691Piper Aircraft J3C-65SA-691Piper Aircraft PA-11A-691Piper Aircraft PA-11SA-691Piper Aircraft J3F-50A-692Piper Aircraft J3F-50SA-692Piper Aircraft J3F-60A-692Piper Aircraft J3F-60SA-692Piper Aircraft J3F-65 (Army L-4D)A-692Piper Aircraft J3F-65SA-692Piper Aircraft J3LA-698Piper Aircraft J3L-65 (Army L-4C)A-698Piper Aircraft J3L-65SA-698Piper Aircraft J3L-SA-698Piper Aircraft PA-181A2Piper Aircraft PA-18S1A2Piper Aircraft PA-18-105 (Special)1A2Piper Aircraft PA-18S-105 (Special)1A2Piper Aircraft PA-18A1A2Piper Aircraft PA-18-125 (Army L-21A)1A2Piper Aircraft PA-18S-1251A2Piper Aircraft PA-18AS-1251A2Piper Aircraft PA-18-1351A2Piper Aircraft PA-18A-1351A2Piper Aircraft PA-18S-1351A2Piper Aircraft PA-18AS-1351A2Piper Aircraft PA-18-1501A2Piper Aircraft PA-18A-1501A2Piper Aircraft PA-18S-1501A2Piper Aircraft PA-18AS-1501A2Piper Aircraft PA-19 (Army L-18C)1A2Piper Aircraft PA-19S1A2

Buyer checks

Confirm before sourcing

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