# STC ST00052BO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ameriflight LLC, United States
- Description: Installation of a Rockwell Collins TCAS-94 Traffic Alert and Collision Avoidance Systemm (TCAS II)with dual Rockwell Collins TVI-920D TA/RA/VSI indicators and dual Rockwell Collins TDR-94D mode S transponders.
- Applied: January 22, 1998
- Status date: December 22, 2025
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A24CE](https://openairdocs.org/tcds/A24CE)
- Certificate PDF: https://openairdocs.org/files/sha256/4b/7d/4b7d5bfb6a15806788c7b9dd29f7e3ca6642858fa1575785e0930a879f6b7ca5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136481610120260401151452.0001
- DRS record last changed: April 1, 2026
- Page: https://openairdocs.org/stc/ST00052BO

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 1900D ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))

## 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 8110-2 (10/24) Page 1 of ___ Installation of Rockwell Collins TCAS-94 Traffic Alert and Collision Avoidance System (TCAS II) with TTR-921 Change 7.0 Receiver/Transmitter, dual TVI-920 TA/RA/VSI indicators, dual TDR-94D Mode S transponders, CTL-92T TCAS Control, and CTL-92 Transponder Control in accordance with Wiggins Airways, Engineering Report No. 7065, Revision: 02, dated November 05, 2000, or later FAA-approved revision.

1. Wiggins Aviation, Airplane Flight Manual Supplement No. 227 for the Raytheon Aircraft Company, Beechcraft Model 1900D, Revision: 01, approved December 14, 2000, or later FAA-approved revision, is required with this modification.

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

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.

ST00052BO Applicant Name: Ameriflight LLC Street Address: 1515 W. 20th St City, ST Zip: DFW Airport, TX 75261 Part 23 Federal Aviation Regulations A24CE Ratheon Aircraft Company 1900D 01/22/1998 12/22/2025 03/27/1998 12/14/2000 3

ST00052BO 12/22/2025 3

## Every issue (2)

- December 22, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4b/7d/4b7d5bfb6a15806788c7b9dd29f7e3ca6642858fa1575785e0930a879f6b7ca5)
- December 14, 2000: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/2a/10/2a1047f5bd71058c8a02387564752f6b16bb7ccc2fafbd5d0b0f461cbfeeaacf)

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