# STC SA01858AT-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Summit Aviation Inc, United States
- Description: Installation of a BF Goodrich Avionics Systems, Inc. TCAS791/A TCAS I system.
- Applied: May 28, 1999
- Status date: July 14, 2023
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/62/c7/62c7d7a1638da688226f4ce86e8d2a37ad35e355c5ed58efddc88d9952e04447
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115435431920230721163106.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA01858AT-D

## ADs that name it (0)

None.

## Approved models (1)

- Learjet Inc. 25 ([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.

SA01858AT-D Summit Aviation, Inc.

243 Burgess Road, STE A Greensboro, NC 27409 Part 25 Title 14 Code of Federal Regulations A10CE Learjet 25 Installation of a BFGoodrich Avionics Systems, Inc. TCAS791/A TCAS I system in accordance with Atlantic Aero, Inc. Master Drawing List 17993001, Rev. Basic, dated March 1, 1999, or later FAA Approved revision.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane.

(See Limitations and Conditions Continued on Page 3 of 3) May 28, 1999 February 10, 1999 Timothy J. Hadsall Manager, New York ACO Branch Compliance & Airworthiness Division Aircraft Certification Service 3 June 12, 2014, January 11, 2016, March 15, 2016, January 8, 2020, July 14, 2023

SA01858AT-D 3

SA01858AT-D Date Reissued: July XX, 2023

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

The following Airplane Flight Manual Supplement dated May 27, 1999 is required for this STC:

a. Model 25 – All Serial Numbers Document 17993100

The following document is a required part of this STC:

a. Atlantic Aero Document 17993010, Instructions for Continued Airworthiness, Rev. IR, dated 3/1/99 or later FAA approved revision.

----------------------------------------------------------END--------------------------------------------------- 3 3

## Every issue (5)

- July 14, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/62/c7/62c7d7a1638da688226f4ce86e8d2a37ad35e355c5ed58efddc88d9952e04447)
- January 8, 2020: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/09/e9/09e91093da7e4dc7bed497410c3cf02dfebea782fb1d74594ece566ae72949f2)
- March 15, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/3b/0b/3b0bb08e0743d70f44b6dadf481f393e00870697a0d484e772fdb6ed2b5b3f91)
- January 11, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/45/d7/45d7bcd6c62cf355b2100e6d835efa9f97d65f95a1cf23bd48b785762a80c453)
- June 12, 2014: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/c8/d5/c8d5bb16bf512170f8298c813bebff06817eaf452c82e7825a3da9f1309a0acc)

---
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.