What it approves
Installation of Sperry SP20 autopilot.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
Sabreliner Aviation, LLC.
1390 Highway H Perryville, MO 63775 4b Civil Air .
- 1A7 Martin 404
Installation of Sperry SP20 autopilot. Data Required:
1. Remmert-Werner Drawing No's. 404-01000 through 404-01010, or later FAA approved revision.
2. Remmert-Werner Airplane Flight Manual Supplement dated July 31, 1959, to basic TWA Martin 404 Airplane Flight Manual, or later FAA approved revision.
Servo Stall Forces measured at Pilot's Control are:
Rudder: 40# min. – 45# max.
Elevator: 30# min. – 32# max.
Aileron: 8# min. – 10# max.
This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.
October 1, 1970; March 25, 1981; June 30, 1983 March 7, 2014
(Signature) Grant E. Youngdahl Program Manager Wichita Aircraft Certification Office (Title)
June 8, 1959
June 15, 1959
FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES
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ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Martin-Marietta Corporation | 404 | 1A7 |