# STC ST00157DE-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc, United States
- Description: Installation of AlliedSignal CAS-66 TCAS I System.
- Applied: April 10, 1995
- Status date: May 7, 2002
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/a1/2f/a12f8362323bb3171ff70c87c8c2b8198f6c733b64d40947a08d611a56535445
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/011A663ED1C225AC85256CC2006A70ED.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00157DE-D

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation BAe.125 Series 800A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## 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: ST00157DE-D This certificate issued to:

Learjet Inc.

One Learjet Way Wichita, Kansas 67209 Part 25 of the Federal Aviation Regulations.

Make: British Aerospace Model: BAE. 125-800A Description of Type Design Change:

Installation of Allied Signal CAS-66 TCAS I System in accordance with Learjet, Inc. Master Drawing List 7502101, revision N/C, dated May 15, 1995, FAA approved June 2, 1995, or later approved revision.

1. FAA approved Airplane Flight Manual Supplement, report number 02101-01, dated June 2, 1995, or later approved revision is required.

2. This approval should not be extended to aircraft of this model on which previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and Flight Manual Supplement must be maintained as part of the permanent records for the modified aircraft.

Date Reissued: May 7, 2002 Date of Application: April 10, 1995 Date Amended:

Date of Issuance: June 2, 1995 By Direction of the Administrator FEDERAL AVIATION DO T (Signature) David T. Grossman Program Manager Denver Aircraft Certification Office.

Northwest Mountain Region, Denver, Colorado TOMINSTRATO (Title) 47

## Every issue (1)

- May 7, 2002: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a1/2f/a12f8362323bb3171ff70c87c8c2b8198f6c733b64d40947a08d611a56535445)

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