# STC SA4836SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: The NORDAM Group LLC, United States
- Description: Installation of TR4000 thrust reversers
- Applied: December 2, 1980
- Status date: April 1, 2019
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/42/db/42db8309d0e31c3c34e529d1b9e58e941fc65dab831287e2dfb50008b6f3d9b9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/49819EDBEC9E3272862586C00073D629.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4836SW

## ADs that name it (0)

None.

## Approved models (6)

- Learjet Inc. 31 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 31A ([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

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA4836SW The NORDAM Group LLC 6910 N. Whirlpool Tulsa, OK 74117 Part 25 the Federal Aviation Regulations A10CE Learjet Inc.

31, 31A, 35, 35A, 36, and 36A Installation of TR4000 thrust reversers in accordance with The Dee Howard Co. (DHC) Drawing List No. 49 dated August 2, 1991, or later FAA approved revision. DHC Drawing List 49-1 dated November 17, 1982, for serial no. 35-001 only.

(See continuation sheet 3 of 3) December 2, 1980 7/26/99; 10/24/03; 4/1/19 November 19, 1982 9/29/88; 8/7/91; 9/11/91 Rev. 4 Jim Grigg Manager, Fort Worth ACO Branch, Compliance & Airworthiness Division Aircraft Certification Service 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA4836SW 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

SA4836SW Date of Issuance: November 19, 1982 Date Amended: September 11, 1991 Date of Reissuance: April 1, 2019

FAA Approved Airplane Flight Manual Supplement (AFMS) dated November 19, 1982, is required for Models 35, 36, 35A and 36A. AFMS dated September 29, 1988 is required for Model 31. AFMS dated August 7, 1991 is required for Model 31A. The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

-END- 3 3

## Every issue (2)

- April 1, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/42/db/42db8309d0e31c3c34e529d1b9e58e941fc65dab831287e2dfb50008b6f3d9b9)
- October 24, 2003: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/db/60/db60bb4dcb416fa5c317bebf4b157e6cbc786d14c1d66bb4de70dd696a342f0a)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.