# STC SA4413NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of cockpit voice recorder.
- Applied: February 20, 1982
- 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/e5/ca/e5ca8b751df1e986292eeede509102390bbd755bedcfecde8784c6b5eba630e5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/18282FE773B2853885256CC2000E3C52.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4413NM

## ADs that name it (0)

None.

## Approved models (4)

- 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: SA4413NM This certificate issued to: LearJet InC.

8220 West Harry Street P. O. Box 7707 Wichita, KS 61277 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness reguirements of Part 25 of the ederal Aviation Regulations: (For certification basis, see I.C. Data Sheet A1OCE) Original Product -Type Certificate Number: ALOCE Make: Learjet Model: 35, 35A, 36, and 36A accordion Diana tes telet Maste vocat et 1D.

T100143 TUC, Revision B, dated March 18, 1982, or later FAA sealed revisions. FAA approved Gates Learjet Corporation Airplane Flight Manual Supplement No. T1150 dated March 19, 1982, or later approved revision is required with this installation.

The cockpit speakers location must be in accordance with Gates Learjet Drawing 2314114 including DCN's through 22. The audio select panel must be Limitations and Conditions: installed in accordance with Gates Learjet Corporation Drawing T2608001, RZ 26.00 dated March 18, 1982. 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: February 20, 1982 Jule missued: October 24, 1988;

June 22, 1990 Date of Issuance: March 23, 1982 Jale unended:

FEDERAL AVTATION By Direction of the Administrator Ronald K. Rathgebu In Lawrence A. HerfOK Manager TOMINI STRANDE Wichita Aircraft Certification Office (Title )

## Every issue (1)

- June 22, 1990: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e5/ca/e5ca8b751df1e986292eeede509102390bbd755bedcfecde8784c6b5eba630e5)

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