Supplemental type certificate · National Airlines, Inc
- Holder
- National Airlines, Inc · United States
- Status
- Current · Issued
- Status date
- January 23, 1974
- Product
- Aircraft · Large Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 5, 2025.
What it approves
Installation of Gulton Model EMBS144 nickel-cadmium electrical storage battery and integral auto- matic control 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
| Make | Model | Data sheet |
|---|
| The Boeing Company | 727 Series | A3WE |
| The Boeing Company | 727-200 Series | A3WE |