# STC SA2138NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: AAR Oklahoma Inc, United States
- Description: Installation of a belly mounted Norton Radome, a radar unit mounting hole in the belly pressure vessel, a drop chute access hole in the pressure vessel near the rear door, rerouted primary control cables with associated support brackets and an electronic rack in the aircraft cabin.
- Applied: June 20, 1983
- Status date: July 22, 1988
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS A11EA](https://openairdocs.org/tcds/A11EA)
- Certificate PDF: https://openairdocs.org/files/sha256/11/6c/116ce614f7be8034b71ee72e9a3cb9274ad380f2b223f5ef9fb76378f7ad38fd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/95BC185B3516D001862579DD0064C67A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2138NM

## ADs that name it (0)

None.

## Approved models (1)

- True Flight Holdings LLC AA-1C ([TCDS A11EA](https://openairdocs.org/tcds/A11EA))

## 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 SA2138NM This certificate issued to: AAR Oklahoma, Inc.

Part 23 of the Federal Aviation Regulations:

Original Product - Type bortificate Lumber: A28 CE Make: Cessna Make: 441 Lucriplin A Type Jaim the belly pressure vessel, a drop chute access hole in the Installation of a belly mounted Norton Radome, a radar unit mounting hole pressure vessel near the rear door, rerouted primary control cables with associated support brackets and an electronics rack in the aircraft cabin in accordance with FAA Sealed AAR Western Skyways, Inc. Master Drawing List No. 441-3100, Revision "B", dated August 12, 1983, or later FAA Approved Revision.

inadequate for duplication in other aircraft. This approval is limited to the installation of the Norton Radome and associated equipment on Cessna model 441 aircraft, Serial Number 441-0171, Registration Number N10FG, only. The modified airplane must be operated in accordance with an FAA approved copy of the Airplane Flight Manual Supplement dated August 16, 1983, or later FAA approved revision. A copy of this Certificate and Aircraft Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

This certificate and the supporting data which is the basis for approval shall remain in effect until surrondered, suspended, reacked, or a termination date is stherwise established by the SIdministrater of the Federal Aviation Administration Date of Application: June 20, 1983 Dute missued: May 25, 1984; July 22, 1988 Tute sf issuance: August 16, 1983 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Manager, Seattle Aircraft Signature ) FEMINIST RANGE Modification Branch (Title) 47 FAA FORM 8110-2 (10-6B)

## Every issue (2)

- July 22, 1988: Issued, Current. [certificate](https://openairdocs.org/files/sha256/11/6c/116ce614f7be8034b71ee72e9a3cb9274ad380f2b223f5ef9fb76378f7ad38fd)
- July 22, 1988: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/11/6c/116ce614f7be8034b71ee72e9a3cb9274ad380f2b223f5ef9fb76378f7ad38fd)

---
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.