What it approves
Installation of Serv-Aero four aileron system.
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.
SA1703WE AvComp, LLC 15721 Pinehurst Drive, Unit 115 Basehor, KS 66007 Part 4a CAR A-743 Boeing A75L3, 75 (Army PT-13), A75 (Army PT-13A, -13B, -13C), E75 (Army PT-13D, Navy N2S-5,PT-13D/N2S-5), A75J1 (Army PT-18), A75N1 (Army PT-17, -17A;Navy N2S-1, -4), B75N1 (Navy N2S-3), D75N1 (Army PT-27) This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane. The following placard is required to be installed on the instrument panel in both front and rear cockpits in full view of pilots: " INTENTIONAL SPINS PROHIBITED."
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.
03/22/1966 11/08/2025 03/24/1970 for Manager, West Certification Branch 2 Installation of Serv-Aero Four Aileron Systems in accordance with Serv-Aero Engineering Master Drawing List SA-MDL-11865 and Installation Procedure Sheet Number SAIP-2014. NOTE: This modification is also approved on the above aircraft models when a Pratt & Whitney R-985 Engine is installed in accordance with Serv-Aero Engineering STC SA1540WE.
SA1703WE 11/08/2025 2
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 9
| Make | Model | Data sheet |
|---|---|---|
| Boeing Airplane Company Wichita Division | 75 (Army PT-13) | A-743 |
| Boeing Airplane Company Wichita Division | A75 Series | A-743 |
| Boeing Airplane Company Wichita Division | A75J1 (Army PT-18) | A-743 |
| Boeing Airplane Company Wichita Division | A75L3 | A-743 |
| Boeing Airplane Company Wichita Division | A75N1 Series | A-743 |
| Boeing Airplane Company Wichita Division | B75 (Navy N2S-5) | A-743 |
| Boeing Airplane Company Wichita Division | B75N1 (Navy N2S-3) | A-743 |
| Boeing Airplane Company Wichita Division | D75N1 (Army PT-27) | A-743 |
| Boeing Airplane Company Wichita Division | E75 Series | A-743 |
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| November 8, 2025 | Reissued, current | Certificate |
| March 24, 1970 | Issued, earlier issue | Certificate |