STC SA778CE

Supplemental type certificate · Boeing Company

Holder
Boeing Company · United States
Status
Current · Issued
Status date
June 1, 1971
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21
Data sheet
TCDS4A26

From FAA DRS. DRS record last changed December 5, 2025.

What it approves

Addition of large cargo door in left hand side of fuselage. (707-321)

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
The Boeing Company7074A26