STC SA3-121

Supplemental type certificate · Aircraft Conversion Inc

Holder
Aircraft Conversion Inc · United States
Status
Current · Issued
Status date
January 1, 1960
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21

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

What it approves

Dual tank alcohol anti-icing system, 814-D.

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 · 2

MakeModelData sheet
McDonnell Douglas CorporationDC-3 SeriesA-618
McDonnell Douglas CorporationDC-3 SeriesA-669