STC ST974SO

Supplemental type certificate · Bellomy-Lawson Aviation Inc

Holder
Bellomy-Lawson Aviation Inc · United States
Status
Current · Issued
Status date
March 29, 1978
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21
Data sheets
TCDS6A3TCDS6A4

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

What it approves

Installation of extra crew seating and air distribution system.

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-6A (USAF C-118A)6A3
McDonnell Douglas CorporationDC-6B (Navy R6D-1Z)6A4