Supplemental type certificate · Aviation Service & Support Corporation
- Holder
- Aviation Service & Support Corporation · United States
- Status
- Current · Issued
- Status date
- January 17, 1977
- Product
- Aircraft · Large Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of radio altimeter system No. 1. (707-138B)
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
| Make | Model | Data sheet |
|---|
| The Boeing Company | 707 | 4A21 |