STC SA251GL

Supplemental type certificate · American Trans Air

Holder
American Trans Air · United States
Status
Current · Amended
Status date
December 29, 1978
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21
Data sheet
TCDS4A28

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

What it approves

Installation of Canadian Marconi Model CMA-740 Omega/VLF navigation system. (720-025)

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 Company7204A28