What it approves
Changing Elevator Trim Tab Setting as follows: Original Setting - 10 deg Up 33 deg Down New Tab Setting - 22 deg Up 17 deg Down
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.
SA4-287 Widgeonworks LLC 1331 Saxon Dr #170 New Smyrna Beach, FL 32169 Part 4a Civil Air Regulations A-734 Gruman G-44, G-44A, and SCAN Type 30
l. Compatibility of this design change with previously approved modifications must be determined by the installer.
2. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.
09/20/1957 07/31/1961 04/29/1999 09/30/1957 ✔ Michael Linegang Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3 Changing Elevator Trim Tab Setting as follows:
Original Setting - 10° Up 33° Down New Tab Setting - 22° Up 17° Down
06/06/1984
SA4-287 04/09/2026 3
SA4-287 04/09/2026 Date of Reissue continued:
January 29, 2004, October 06, 2009, August 04, 2010, April 09, 2026 ------------------------------------------------------END-------------------------------------------------- 3 3 Add Page
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 3
Every issue · 4
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| April 9, 2026 | Reissued, current | Certificate |
| August 4, 2010 | Reissued, earlier issue | Certificate |
| October 6, 2009 | Reissued, earlier issue | Certificate |
| January 29, 2004 | Reissued, earlier issue | Certificate |