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STC SA777CE

Supplemental type certificate · Robert L & Barbara V Willia,s

Certificate PDF· 2 pages, 430 KB

Holder: Robert L & Barbara V Willia,s · United States
Status: Current · Amended
Status date: January 19, 1982
Applied: April 12, 1971
Product: Aircraft · Single-Engine
Certification basis: Part 21
Data sheet: TCDS3A17

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of Lycoming 180 hp engine and a Hartzell HC-C2YK-1A/766A-2 propeller.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

This certificate is a scan without a text layerOpen the PDF to read it.

ADs that name this STC · 2

An AD can apply because an STC is installed, or mention one in its text.

AD 82-07-02Engine Crankcase Breather · Lycoming O-360-A1A engine and Hartzell HC-C2YK-1B/7666A-2… (Avcon Industries STC SA1324CE or 14 others)Effective Apr 8, 1982 · Named in the applicability AD 74-06-02AVCON Mufflers · Lycoming 150 and160 hp Model O-320-( ) engine (Williams Robert or Barbara STC SA750CE or 3 others)Effective Mar 18, 1974 · Named in the applicability

Approved models · 6

Make	Model	Data sheet
The Cessna Aircraft Company	175	3A17
The Cessna Aircraft Company	175A	3A17
The Cessna Aircraft Company	175B	3A17
The Cessna Aircraft Company	175C	3A17
The Cessna Aircraft Company	P172D	3A17
The Cessna Aircraft Company	R172E (USAF T-41B)	3A17