# STC SA3975WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of Collins WXR-300 color radar.
- Applied: May 2, 1979
- Status date: June 22, 1990
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/c9/2f/c92f6ddf5276306d270dbda73a8366193a94a220203899693efff26be44d4ec6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4F090558A2CD5B1885256CC2000C5C2E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3975WE

## ADs that name it (0)

None.

## Approved models (22)

- Learjet Inc. Learjet 24 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24B ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24B-A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24C ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24D ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24D-A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24E ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24F ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24F-A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 25 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 25A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 25B ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 25C ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 25D ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 25F ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 28 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 29 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 35 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 35A (C-21A) ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 36 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 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: SA3975WE This certificate issued to: Learjet INC.

8220 West Harry Street P. O. Box 7707 Wichita, KS 67277 Certifies that the change in the type design for the fillaving product with the limtations and corditions therefor as specified hoven mels the nirvathness requerments of Part 25 y Federal Aviation Reyullin. (For certification basis, see T.C. Data Sheet A10CE.)

Original Product - Vype fiertificate, Lumber ALOCE

• Ink Learjet (// 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A; 25, 25A, 25B, 25C, 25D, Description of Type Design Change: . 25F; 28, 29; 35, 35A; 36, 36A Installation of Collins WXR-300 Color Radar in accordance with FAA sealed Gates Learjet Corporation Master Document List No.

T100070 TUC, Revision B, or later FAA sealed revisions.

Jindations and fundituns The approval of this change in type design applies basically only to the above listed models. 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 Sha paper and to sappoting data which a the hass pe pant shalt men n effet all ser rendered suspended reked we a terminatin date is thorose stablished iy the elminstet e of the "Federal t Salt of ofplical May 2, 1979 2 a rasmi October 24, 1988;

June 22, 1990 at of ase June 7, 1979 al .....mdui January 5, 1982 By derectan of the lilminstrater "Lawrence A. Herföh, Manager Wichita Aircraft Certification Office ¡ 1 itle !

FAA FoR 8110-2 (10-68)

## Every issue (1)

- June 22, 1990: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c9/2f/c92f6ddf5276306d270dbda73a8366193a94a220203899693efff26be44d4ec6)

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