STC SA4-509

Supplemental type certificate · Richfield Oil Company

Holder
Richfield Oil Company · United States
Status
Current · Issued
Status date
January 1, 1960
Product
Aircraft · Small Multi-Engine
Certification basis
Part 21
Data sheet
TCDSA-765

From FAA DRS. DRS record last changed December 6, 2025.

What it approves

Gross weight increased to 9,000 lbs. with powerpack STC SA4-125; Southwind heater STC SA4-126; and horizontal stabilizer STC SA2-120.

ADs that name this STC · 0

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

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
Raytheon Aircraft Company18 SeriesA-765