What it approves
Installation of Pratt & Whitney R985-AN-1 Engine, Hamilton Standard 2D30/6101A-12 Propeller; B75N1 (Navy N2S-3), N450V, S/N 75-6484
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.
SA1299WE AvComp, LLC 15721 Pinehurst Drive, Unit 115 Basehor, KS 66007 Part 4a CAR A-743 Boeing B75N1 (Navy N2S-3), N450V, S/N 75-6484 Data not suitable for reproduction of installation in other aircraft; therefore, it is satisfactory for Boeing B75N1, N450V, Serial Number 75-6484 only. No additional modifications of this type are to be approved solely by reference to this STC or to the data submitted therefore. The following placard is required to be on the rear cockpit instrument panel in full view of the pilot:
"THIS AIRCRAFT MUST BE OPERATED IN ACCORDANCE WITH SERV-AERO ENGINEERING, INC. FAA APPROVED AIRPLANE FLIGHT MANUAL, DATED OCTOBER 17, 1966.
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.
10/20/1965 11/08/2025 10/31/1966 for Manager, West Certification Branch 2 Installation of Pratt & Whitney R985-AN-1 Engine, Hamilton Standard 2D30/6101A-12 Propeller; ailerons on upper wing panels and shorter ailerons on lower panels, aileron servo tab; modified fuel and oil systems; two additional landing wires, landing lights in the lower wings; optional wing root fillets and wheel pants. The installation of duel carburetors in accordance with STC SE27WE is required. Servo- Aero Engineering Inc. Airplane Flight Manual, dated October 17, 1966 is required.
SA1299WE 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 · 1
| Make | Model | Data sheet |
|---|---|---|
| The Boeing Company | B75N1 (Navy N2S-3) | 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 |
| October 31, 1966 | Issued, earlier issue | Certificate |