STC SA4-523

Supplemental type certificate · AiResearch Aivation Service Co

Holder
AiResearch Aivation Service Co · 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

Interior modification for 85 passengers (93 total occupants).

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 · 3

MakeModelData sheet
McDonnell Douglas CorporationDC-6A-781
McDonnell Douglas CorporationDC-6 Series6A3
McDonnell Douglas CorporationDC-6B (Navy R6D-1Z)6A4