# STC ST00222BO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Learjet Inc., United States
- Description: Installation of Enhanced Surveillance modification to Dual Collins TDR-94/94D Transponder System
- Applied: June 24, 2005
- Status date: December 19, 2006
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A21EA](https://openairdocs.org/tcds/A21EA)
- Certificate PDF: https://openairdocs.org/files/sha256/2d/56/2d56955b8c80396db841953fe77ac6af04bcdb7fb562ac888cb0351b0ab31555
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4962D6C136B8C39E862572510069DF4E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00222BO

## ADs that name it (0)

None.

## Approved models (2)

- Bombardier Aerospace Inc CL-600-2B16 (CL-601-3A) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))
- Bombardier Aerospace Inc CL-600-2B16 (CL-601-3R) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))

## 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.

85-173 Bradley International Airport Windsor Locks, CT 06096

Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number : A21EA Make : Bombardier Aerospace Inc.

Model : CL-600-2B16 (3A & 3R Variants) Description of Type Design Change:

Installation of Enhanced Surveillance modification to Dual Collins TDR-94/94D Transponder System in accordance with BBAS Master Document List BAS63017005, Revision A, dated November 30, 2006, or later FAA approved revision.

1. Installation of Enhanced Surveillance modification per this Supplemental Type Certificate requires that a previously approved dual installation of Collins part number 622-9352-207 (TDR-94) or 622-9210-207 (TDR- 94D), has been installed in the aircraft.

2. Aircraft Flight Manual Supplement BBAS document BAS63047009, Revision NC, dated November 22, 2005, or later FAA-approved revision is required and must be carried during all flights.

3. Instructions for Continued Airworthiness, BBAS document no. BAS63017005-IFCA-1, Revision NC, dated October 26, 2005, or later FAA-accepted revision, shall be made available to the operator at the time of installation.

4. Compatibility of this design with 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.

Date of application : June 24, 2005

Date of issuance : November 22, 2005 Date reissued :

Date amended : December 19, 2006

( Signature) Robert G. Mann Manager Boston Aircraft Certification Office

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

(Continuation Sheet) Number ST00222BO

Certification Basis :

Model CL-600-2B16 (3A & 3R Variants) As stated on TCDS A21EA, Rev 22, dated May 4, 2005 plus 14 CFR 25.1585(a)(1) of Amendment 25-105; 14 CFR

25.1353(a)(d)(2) and 25.1431(a)(c) of Amendment 25-113.

## Every issue (1)

- December 19, 2006: Amended, Current. [certificate](https://openairdocs.org/files/sha256/2d/56/2d56955b8c80396db841953fe77ac6af04bcdb7fb562ac888cb0351b0ab31555)

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