STC SA464AL

Installation of PA-18 rear seat. Approval limited to those Piper J3C-65 and J3C-65S aircraft which have FAA approved PA-18.

Current Issued Aircraft Single-Engine Rev 12/01/1971 View PDF on drs.faa.gov ↗

What is an STC?

A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.

Applicable aircraft (2)

A-691 The New Piper Aircraft Inc. · J3C-65S
A-691 The New Piper Aircraft Inc. · J3C-65

Certification basis — 14 CFR

Part 21

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗