Supplemental type certificate · Kettler Douglas L
- Holder
- Kettler Douglas L · United States
- Status
- Current · Issued
- Status date
- September 15, 1980
- Product
- Aircraft · Small Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of DTL-1000, -1001 and/or -1002/3 autopilot adapters for the Edo-Aire Mitchell Century III autopilot.
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 · 3
| Make | Model | Data sheet |
|---|
| The New Piper Aircraft Inc. | PA-31 | A20SO |
| The New Piper Aircraft Inc. | PA-31-325 | A20SO |
| The New Piper Aircraft Inc. | PA-31-350 | A20SO |