# STC SA01591SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: TRM Avionics Logistics Inc, United States
- Description: Fabrication of Spoilers, Inc. Model SP1000UG spoiler system.
- Applied: September 13, 2004
- Status date: September 16, 2005
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- Certificate PDF: https://openairdocs.org/files/sha256/18/d9/18d9aed4eb5e2b6996f6e9c85ba2978416d63d6b9df4dd579e1bb29f14b6f0ba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FABD02A7C001E8FD862570B20059CD2D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA01591SE

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 421B ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## 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.

Number SA01591SE This certificate, issued to TRM Avionics Logistics, Inc.

1296 Stone Road Chillicothe , OH 45601 Part 3 of the Civil Air Regulations.

Original Product⎯Type Certificate Number: A7CE Make: Cessna Model: 421B

Description of the Type Design Change: Fabrication of Spoilers, Inc. Model SP1000UG spoiler system in accordance with Spoilers, Inc. Drawing List Number SP1000UG, dated September 14, 2005, or later FAA approved revision. Installation of this spoiler system in accordance with Spoilers, Inc. Cessna 421B Spoiler Installation Instructions SP1000UG, dated May 21, 2005, or later FAA approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate and Airplane Flight Manual Supplement, entitled “FAA Approved Flight Manual Supplement - STC SA01591SE Installation of Spoilers, Inc. Spoiler System SP1000UG,”, dated September 14, 2005, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

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.

Date of application: September 13, 2004 Date reissued:

Date of issuance: September 16, 2005 Date amended:

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- September 16, 2005: Issued, Current. [certificate](https://openairdocs.org/files/sha256/18/d9/18d9aed4eb5e2b6996f6e9c85ba2978416d63d6b9df4dd579e1bb29f14b6f0ba)

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