# STC SA2639CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Learjet Inc, United States
- Description: Installation of Universal Navigation system model CVR-80 cockpit voice Recorder
- Applied: May 14, 1990
- Status date: August 19, 1991
- Product: Aircraft, Small/Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/3a/34/3a3474a22090cce708b5ab4793f66289f711bcf5625fda275c1e276b74ee6cbe
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/437FB3A87A1474F4862580B30074EDC0.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2639CE

## ADs that name it (0)

None.

## Approved models (6)

- Learjet Inc. 31 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 31A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- 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

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2639CE This certificate issued to: Learjet Inc.

8220 W. Harry Wichita, Kansas 67209 Certifies that the change in the type design for the following preduct with the limitations und conditions amended bY5-10 Original Product - Type Certificate Number: A10CE Make: Learjet Model: 31, 31A, 35, 35A, 36 and 36A Unsy Versit Voice Recorder in accordance with: (1) Installation of Universal Navigation System Learjet Inc. Master Document List (MDL) No. T100072, Revision None, dated May 17, 1990, and (2) FAA Approved Airplane Flight Manual Supplement (AFMS) W1168, dated July 25, 1990, or later approved revisions of (1) or (2); or installation of UNS CVR-30 in accordance with: (3) Learjet Inc. MDL No. T100072, Revision C, dated March 21, 1991, and (4) FAA Approved AFMS W1211 dated August 19, 1991, or later FAA Approved revisions of (3) or (4).

Limitations and Conditions: This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

Herron (Signature) * MINISTRATO Lawrence A. Herron, Manager Wichita Aircraft Certification Office (Title)

## Every issue (1)

- August 19, 1991: Amended, Current. [certificate](https://openairdocs.org/files/sha256/3a/34/3a3474a22090cce708b5ab4793f66289f711bcf5625fda275c1e276b74ee6cbe)

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