STC SA00640SE

Installation of a McCauley D3A34C401 propeller hub with 90FDA-4 or -6 blades on the above model aircraft.

Current Amended Aircraft Single-Engine Rev 11/23/1998 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)

3A24 The Cessna Aircraft Company · A185E
3A24 The Cessna Aircraft Company · A185F

Certification basis — 14 CFR

Part 21

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120
§ 21.41

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