What it approves
Dual Collins AL-101 or dual Litton 502 low range radio altimeter.
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
Supplemental type certificate · American Airlines Inc
- Holder
- American Airlines Inc · United States
- Status
- Current · Amended
- Status date
- July 22, 1966
- Product
- Aircraft · Large Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.