# STC SA3440WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of VOR/ILS compass and vertical gyro instrument switching system.
- Applied: June 8, 1977
- Status date: August 8, 1989
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/40/ff/40ff76813cf72cf3a8133e275cfac7b214fb24cce247955f6a73422fd7f7ce1d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3CEDAA1E9080755285256CC2000A981E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3440WE

## ADs that name it (0)

None.

## Approved models (4)

- 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: SA3440WE This certificate issued to: Learjet Corporation Part 25 of the ederal Aviation Regulations: (For Certification basis, see T.C. Data Sheet A10CE.)

Original Product -Type Certificate Number: ALOCE Model: 35, 35A; 36, 36А Make: Gates Learjet Description of Type Design Change: Installation of VOR/ILS, Compass, and Vertical Gyro Instrument Switching System in accordance with FAA sealed Gates Learjet Corporation STC Specification Sheet No. T100040 TUC, Revision "A, ' or later FAA sealed revisions. Gates Learjet Corporation P/N T1013 Airplane Flight Manual Supplement, FAA approved June 29, 1977, or later FAA approved revisions, is required with this modification.

the aforementioned aircraft. This approval should not be extended to other aircraft Limitations and Conditions: The approval of this change in type design applies only to of these models on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

Date of Application: June 8, 1977 Date Reissued: August 8, 1989 Date of Issuance: June 29, 1977 Date Amended: January 05, 1982 FEDERAL AVIATION By Direction of the Administrator TO MINISTRATIO Manin 1 Cannels kerg arty Manager, Certification Office (Title)

## Every issue (1)

- August 8, 1989: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/40/ff/40ff76813cf72cf3a8133e275cfac7b214fb24cce247955f6a73422fd7f7ce1d)

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