# STC SA4218WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of Radio Corporation of America Primus-300SL Color Weather Radar System.
- Applied: August 5, 1980
- Status date: June 22, 1990
- Product: Aircraft, Small/Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/80/dc/80dc31ef7672c3518d7c64e86e96c7bf9f5d7b93fc0e3215c0b2eb7d9f16b0af
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/78AC8225A909420B85256CC2000E3A8F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4218WE

## ADs that name it (0)

None.

## Approved models (22)

- Learjet Inc. 24 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24B ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24B-A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24C ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24D ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24D-A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24E ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24F ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24F-A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25B ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25C ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25D ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25F ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 28 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 29 ([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.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA4218WE 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 folloving preduct with the limitations and conditions terferna specțied heren meets the aiverrthineia rquirementa of Sart 25d MFederal AViatiOn Regulalions. (For certification basis, see T.C. Data Sheet AlOCE) Original Product -- Ispe berlificale Numter: A1OCE Make: Learjet Hulel: 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, L escriplion of Fype I esign tshange: 25F, 28, 29, 35, 35A, 36, and 36A Installation of Radio Corporation of America Primus-300SL Color Weather Radar System in accordance with FAA sealed Gates Learjet- Tucson Master Document List No. T100112 TUC, Revision A, dated October 8, 1980, or later FAA approved revisions. FAA approved Gates Learjet Corporation, Learjet Airplane Flight Manual Supplement No. T1076, dated October 10, 1980, is required with this installation.

finitations and trinditions The approval of this change in type design applies basically to the above listed models only. 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.

Date of Application: August 5, 1980 Sate wasad October 26, 1988; June 22, 1990 Date of Issuance: September 3, 1980 Date Amended: October 10, 1980 EDERA VIATION By Direction of the Administrator Lawrence A. Herton", Manager POMANI STRATOS Wichita Aircraft Certification Office ( 1 itie )

47.

## Every issue (1)

- June 22, 1990: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/80/dc/80dc31ef7672c3518d7c64e86e96c7bf9f5d7b93fc0e3215c0b2eb7d9f16b0af)

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