# STC SE27WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: AvComp LLC, United States
- Description: Installation of two Bendix-Stromberg Model PS-5C carburetors
- Applied: October 20, 1965
- Status date: November 8, 2025
- Product: Engine
- Data sheets: [TCDS 5E-1](https://openairdocs.org/tcds/5E-1), [TCDS E-123](https://openairdocs.org/tcds/E-123)
- Certificate PDF: https://openairdocs.org/files/sha256/30/ab/30aba3c20f3ae2c94ef8b9bf25654e44128f68bb56512113cddaeb9b4c48b4ba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177927773520260416142700.0001
- DRS record last changed: April 16, 2026
- Page: https://openairdocs.org/stc/SE27WE

## ADs that name it (0)

None.

## Approved models (2)

- Pratt & Whitney Division R-985 Series ([TCDS 5E-1](https://openairdocs.org/tcds/5E-1))
- Pratt & Whitney Division Wasp Jr. Series ([TCDS E-123](https://openairdocs.org/tcds/E-123))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

SE27WE AvComp, LLC 15721 Pinehurst Drive, Unit 115 Basehor, KS 66007 Part 13 CAR 5E-1 Pratt and Whitney R-985-AN1 None This approval should not be extended to any other specific engine of this model unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect on the airworthiness of that engine. Due to induction and fuel system differences, the modified engine is not directly interchangeable with the basic unmodified Pratt and Whitney R-985-AN1 engine.

See Limitations and Conditions continued on Page 3 10/20/1965 11/08/2025 07/08/1966 for Manager, West Certification Branch 3 Installation of two Bendix-Stromberg Model PS-5C carburetors in accordance with Serv-Aero Engineering, Inc. Installation Procedure Number E1777, dated March 17, 1966.

SE27WE 11/08/2025 3

SE27WE 11/08/2025 Limitations and Conditions continued:

All ratings and limitations of the original R-985-AN1 engine are applicable except Fuel Pressure Limits: Minimum - 9.0 PSI Maximum - 15.0 PSI 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.

Certification Basis: CAR 13.

Nature and Location of Data

Serv-Aero Engineering, Inc. Parts List Number 1777 for Bendix Model PS-5C carburetor installed on Partt and Whitney R-985-AN1 engines, dated March 17, 1966.

Serv-Aero Engineering, Inc. Installation Procedure Number E1777, dated March 17, 1966.

Serv-Aero Engineering, Inc. Drawing Number 1023 "No Change".

Data are on file in the Aircraft Engineering Division, FAA, Western Region, Los Angeles, CA

----------------------End------------------------- 3 3 Add Page

## Every issue (2)

- November 8, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/30/ab/30aba3c20f3ae2c94ef8b9bf25654e44128f68bb56512113cddaeb9b4c48b4ba)
- July 8, 1966: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/0d/57/0d57be57aa15d5520135b713a44d9504cfce12f3267b49b35297125557786473)

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