# STC SA2657SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Zee Systems, Inc, United States
- Description: Modification of air conditioner motor
- Applied: July 7, 1977
- Status date: July 15, 1983
- Product: Aircraft, Small/Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A5CE](https://openairdocs.org/tcds/A5CE), [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/22/4e/224e21ad7de4093b1f8771767ff0eaec623d2ae6e645cc94f40200a3b62511cc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/74961A8703BB05B08625826000488641.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2657SW

## ADs that name it (0)

None.

## Approved models (5)

- Learjet Inc. 23 ([TCDS A5CE](https://openairdocs.org/tcds/A5CE))
- Learjet Inc. 24 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 35 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 36 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- July 15, 1983: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/22/4e/224e21ad7de4093b1f8771767ff0eaec623d2ae6e645cc94f40200a3b62511cc)

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