# STC SA2668CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Learjet Inc, United States
- Description: Installation of a Second Emergency Battery with associated wiring to connect Number 1 Communication, Navigation, Audio and Transponder.
- Applied: October 29, 1990
- Status date: November 21, 1990
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/ea/e8/eae8a595b3f94b7046e8990a9f6255c857a73c5c494fb575badd8a8847ddd793
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7BB3C0793D521D7D862575AE006F9176.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2668CE

## ADs that name it (0)

None.

## Approved models (4)

- Learjet Inc. 35 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 35A (C-21A) ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 36 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 36A ([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 (2)

- November 21, 1990: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ea/e8/eae8a595b3f94b7046e8990a9f6255c857a73c5c494fb575badd8a8847ddd793)
- October 29, 1990: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ea/e8/eae8a595b3f94b7046e8990a9f6255c857a73c5c494fb575badd8a8847ddd793)

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