# STC SA3899WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of Collins F1S-84 Flight Instrument System.
- Applied: March 28, 1979
- 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/sha256/85/3e/853e5952787a99f1c04b1aee5d9026b71aee51d3e796e977af85b3c7972f2d5a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/82AAB4776469436385256CC2000C5B6C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3899WE

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3899WE This certificate issued to: LearJet INC.

8220 West Harry Street P. O. Box 7707 Wichita, KS 67277 Part 25 of tEEderaL AVIAtIOn.

Regulationa. (For certification basis, see T.C. Data Sheet A10CE) Original Product - Type Certificate Number: AlOCE Make Learjet Model: 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A: 25, Instrument System in accordance with FAA sealed Gates Leariet-Tucson Master escriplien fype Leign Change: Installation of Collins FIS-84 Flight 25A, 25B, 25C, 25D, 25F; 28, 29; 35, 35A; 36, and 36A Document List No. T100069 TUC, Revision A, or later FAA sealed revision.

approved Gates Learjet Corporation, Learjet Airplane Flight Manual Supplement is required with this installation as follows: (1) For the FIS-84 with a Collins 562A-5M5 computer, AFM Supplement No. T1043 dated April 20, 1979, or later approved revision is required; (2) For the FIS-84 with a Collins FGC-80 computer, AFM Supplement No. T1120 dated July 15, 1981, or later approved revision is required.

third attitude indicator /dois required as a prerequisite to this installation. On Model 35, 35A, 36, and 36A airplanes an approved 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 airplane.

HerYoH, Manager MINISTRATIO Wichita Aircraft Certification Office (Titie ) 47 FAA FORM 8110-2 (10-68)

## Every issue (1)

- June 22, 1990: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/85/3e/853e5952787a99f1c04b1aee5d9026b71aee51d3e796e977af85b3c7972f2d5a)

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