# STC ST126CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Acron Aviation Inc., United States
- Description: Installation of Traffic Alert and Collision Avoidance System I (TCAS I) system.
- Applied: June 21, 1993
- Status date: April 1, 2025
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/34/31/3431941eb677b6d81308b56195cd4e69244b1f9520fd491fab11e43cde780db1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182872554820250806162408.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST126CH

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. HS.125 Series 700A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## 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.

ST126CH Acron Aviation, Inc.

5353 52nd Street South East Grand Rapids, MI 49512-9704 Part 10 the Civil Air Regulations A3EU Textron Aviation Inc.

HS.125 Series 700A Installation of Traffic Alert and Collision Avoidance System I (TCAS I) in accordance with Drawing No. ES700-010-01, Rev. G, dated August 3, 1999 or later FAA approved revision.

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. Airplane Flight Manual Supplement, Drawing No. ES700-010-15, Rev. C, FAA approved August 9, 1999, or later FAA approved revision, is required on board for operation of the aircraft.

3. 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.

June 21, 1993 November 3, 1993 June 28, 1999; August 9, 1999 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 March 11, 1994; February 13, 2002;

February 17, 2004; December 12, 2022; April 1, 2025

ST126CH 2

## Every issue (2)

- April 1, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/34/31/3431941eb677b6d81308b56195cd4e69244b1f9520fd491fab11e43cde780db1)
- February 17, 2004: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ee/bf/eebf15cd6df87ce68a6570732e38398871ea199536b68d74c5425e39fff00edf)

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